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Finding the Fourth Proportional to 104,587.81, 156,816.10 and 69,011.39

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Solution

The fourth proportional to 104,587.81, 156,816.10 and 69,011.39 is: 103,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,587.81 : 156,816.10 = 69,011.39 : x
  2. Step 2: Convert to fraction form
    104,587.81/156,816.10 = 69,011.39/x
  3. Step 3: Cross multiply
    104,587.81x = 156,816.10 × 69,011.39
  4. Step 4: Simplify right side
    104,587.81x = 10,822,097,513.68
  5. Step 5: Solve for x
    x = 10,822,097,513.68/104,587.81
  6. Step 6: Final answer
    x = 103,473.80

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