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Finding the Fourth Proportional to 363,919.20, 545,878.80 and 186,772.20

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Solution

The fourth proportional to 363,919.20, 545,878.80 and 186,772.20 is: 280,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,919.20 : 545,878.80 = 186,772.20 : x
  2. Step 2: Convert to fraction form
    363,919.20/545,878.80 = 186,772.20/x
  3. Step 3: Cross multiply
    363,919.20x = 545,878.80 × 186,772.20
  4. Step 4: Simplify right side
    363,919.20x = 101,954,984,409.36
  5. Step 5: Solve for x
    x = 101,954,984,409.36/363,919.20
  6. Step 6: Final answer
    x = 280,158.30

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