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Finding the Fourth Proportional to 89,432.28, 123,410.28 and 53,604.36

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Solution

The fourth proportional to 89,432.28, 123,410.28 and 53,604.36 is: 73,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432.28 : 123,410.28 = 53,604.36 : x
  2. Step 2: Convert to fraction form
    89,432.28/123,410.28 = 53,604.36/x
  3. Step 3: Cross multiply
    89,432.28x = 123,410.28 × 53,604.36
  4. Step 4: Simplify right side
    89,432.28x = 6,615,329,076.82
  5. Step 5: Solve for x
    x = 6,615,329,076.82/89,432.28
  6. Step 6: Final answer
    x = 73,970.26

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