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Finding the Fourth Proportional to 122,857.96, 169,552.56 and 69,148.12

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Solution

The fourth proportional to 122,857.96, 169,552.56 and 69,148.12 is: 95,429.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,857.96 : 169,552.56 = 69,148.12 : x
  2. Step 2: Convert to fraction form
    122,857.96/169,552.56 = 69,148.12/x
  3. Step 3: Cross multiply
    122,857.96x = 169,552.56 × 69,148.12
  4. Step 4: Simplify right side
    122,857.96x = 11,724,240,765.19
  5. Step 5: Solve for x
    x = 11,724,240,765.19/122,857.96
  6. Step 6: Final answer
    x = 95,429.23

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