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Finding the Fourth Proportional to 81,930.36, 122,895.47 and 22,766

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Solution

The fourth proportional to 81,930.36, 122,895.47 and 22,766 is: 34,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,930.36 : 122,895.47 = 22,766 : x
  2. Step 2: Convert to fraction form
    81,930.36/122,895.47 = 22,766/x
  3. Step 3: Cross multiply
    81,930.36x = 122,895.47 × 22,766
  4. Step 4: Simplify right side
    81,930.36x = 2,797,838,270.02
  5. Step 5: Solve for x
    x = 2,797,838,270.02/81,930.36
  6. Step 6: Final answer
    x = 34,148.98

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