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Finding the Fourth Proportional to 423,862.60, 635,793.90 and 108,344.20

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Solution

The fourth proportional to 423,862.60, 635,793.90 and 108,344.20 is: 162,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,862.60 : 635,793.90 = 108,344.20 : x
  2. Step 2: Convert to fraction form
    423,862.60/635,793.90 = 108,344.20/x
  3. Step 3: Cross multiply
    423,862.60x = 635,793.90 × 108,344.20
  4. Step 4: Simplify right side
    423,862.60x = 68,884,581,460.38
  5. Step 5: Solve for x
    x = 68,884,581,460.38/423,862.60
  6. Step 6: Final answer
    x = 162,516.30

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