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Finding the Fourth Proportional to 104,614.10, 156,921.15 and 69,439.70

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Solution

The fourth proportional to 104,614.10, 156,921.15 and 69,439.70 is: 104,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,614.10 : 156,921.15 = 69,439.70 : x
  2. Step 2: Convert to fraction form
    104,614.10/156,921.15 = 69,439.70/x
  3. Step 3: Cross multiply
    104,614.10x = 156,921.15 × 69,439.70
  4. Step 4: Simplify right side
    104,614.10x = 10,896,557,579.66
  5. Step 5: Solve for x
    x = 10,896,557,579.66/104,614.10
  6. Step 6: Final answer
    x = 104,159.55

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