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Finding the Fourth Proportional to 231,806.17, 347,759.20 and 71,878.88

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Solution

The fourth proportional to 231,806.17, 347,759.20 and 71,878.88 is: 107,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,806.17 : 347,759.20 = 71,878.88 : x
  2. Step 2: Convert to fraction form
    231,806.17/347,759.20 = 71,878.88/x
  3. Step 3: Cross multiply
    231,806.17x = 347,759.20 × 71,878.88
  4. Step 4: Simplify right side
    231,806.17x = 24,996,541,805.70
  5. Step 5: Solve for x
    x = 24,996,541,805.70/231,806.17
  6. Step 6: Final answer
    x = 107,833.81

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