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Finding the Fourth Proportional to 123,981.56, 185,968.92 and 45,097.28

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Solution

The fourth proportional to 123,981.56, 185,968.92 and 45,097.28 is: 67,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,981.56 : 185,968.92 = 45,097.28 : x
  2. Step 2: Convert to fraction form
    123,981.56/185,968.92 = 45,097.28/x
  3. Step 3: Cross multiply
    123,981.56x = 185,968.92 × 45,097.28
  4. Step 4: Simplify right side
    123,981.56x = 8,386,692,456.54
  5. Step 5: Solve for x
    x = 8,386,692,456.54/123,981.56
  6. Step 6: Final answer
    x = 67,644.68

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