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Finding the Fourth Proportional to 123,021.96, 169,776.60 and 75,260.40

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Solution

The fourth proportional to 123,021.96, 169,776.60 and 75,260.40 is: 103,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,021.96 : 169,776.60 = 75,260.40 : x
  2. Step 2: Convert to fraction form
    123,021.96/169,776.60 = 75,260.40/x
  3. Step 3: Cross multiply
    123,021.96x = 169,776.60 × 75,260.40
  4. Step 4: Simplify right side
    123,021.96x = 12,777,454,826.64
  5. Step 5: Solve for x
    x = 12,777,454,826.64/123,021.96
  6. Step 6: Final answer
    x = 103,863.20

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