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Finding the Fourth Proportional to 423,079.44, 634,785.30 and 186,255.96

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Solution

The fourth proportional to 423,079.44, 634,785.30 and 186,255.96 is: 279,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,079.44 : 634,785.30 = 186,255.96 : x
  2. Step 2: Convert to fraction form
    423,079.44/634,785.30 = 186,255.96/x
  3. Step 3: Cross multiply
    423,079.44x = 634,785.30 × 186,255.96
  4. Step 4: Simplify right side
    423,079.44x = 118,232,545,445.39
  5. Step 5: Solve for x
    x = 118,232,545,445.39/423,079.44
  6. Step 6: Final answer
    x = 279,457.08

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