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Finding the Fourth Proportional to 71,932.20, 107,906.40 and 22,011.90

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Solution

The fourth proportional to 71,932.20, 107,906.40 and 22,011.90 is: 33,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,932.20 : 107,906.40 = 22,011.90 : x
  2. Step 2: Convert to fraction form
    71,932.20/107,906.40 = 22,011.90/x
  3. Step 3: Cross multiply
    71,932.20x = 107,906.40 × 22,011.90
  4. Step 4: Simplify right side
    71,932.20x = 2,375,224,886.16
  5. Step 5: Solve for x
    x = 2,375,224,886.16/71,932.20
  6. Step 6: Final answer
    x = 33,020.33

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