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Finding the Fourth Proportional to 104,476.40, 156,781.80 and 57,762.80

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Solution

The fourth proportional to 104,476.40, 156,781.80 and 57,762.80 is: 86,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,476.40 : 156,781.80 = 57,762.80 : x
  2. Step 2: Convert to fraction form
    104,476.40/156,781.80 = 57,762.80/x
  3. Step 3: Cross multiply
    104,476.40x = 156,781.80 × 57,762.80
  4. Step 4: Simplify right side
    104,476.40x = 9,056,155,757.04
  5. Step 5: Solve for x
    x = 9,056,155,757.04/104,476.40
  6. Step 6: Final answer
    x = 86,681.35

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