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Finding the Fourth Proportional to 104,717.88, 144,512.40 and 56,971.26

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Solution

The fourth proportional to 104,717.88, 144,512.40 and 56,971.26 is: 78,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,717.88 : 144,512.40 = 56,971.26 : x
  2. Step 2: Convert to fraction form
    104,717.88/144,512.40 = 56,971.26/x
  3. Step 3: Cross multiply
    104,717.88x = 144,512.40 × 56,971.26
  4. Step 4: Simplify right side
    104,717.88x = 8,233,053,513.62
  5. Step 5: Solve for x
    x = 8,233,053,513.62/104,717.88
  6. Step 6: Final answer
    x = 78,621.28

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