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Finding the Fourth Proportional to 269,416.20, 404,124.30 and 91,880.40

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Solution

The fourth proportional to 269,416.20, 404,124.30 and 91,880.40 is: 137,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,416.20 : 404,124.30 = 91,880.40 : x
  2. Step 2: Convert to fraction form
    269,416.20/404,124.30 = 91,880.40/x
  3. Step 3: Cross multiply
    269,416.20x = 404,124.30 × 91,880.40
  4. Step 4: Simplify right side
    269,416.20x = 37,131,102,333.72
  5. Step 5: Solve for x
    x = 37,131,102,333.72/269,416.20
  6. Step 6: Final answer
    x = 137,820.60

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