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Finding the Fourth Proportional to 87,608.43, 120,803.54 and 59,264.91

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Solution

The fourth proportional to 87,608.43, 120,803.54 and 59,264.91 is: 81,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,608.43 : 120,803.54 = 59,264.91 : x
  2. Step 2: Convert to fraction form
    87,608.43/120,803.54 = 59,264.91/x
  3. Step 3: Cross multiply
    87,608.43x = 120,803.54 × 59,264.91
  4. Step 4: Simplify right side
    87,608.43x = 7,159,410,629.46
  5. Step 5: Solve for x
    x = 7,159,410,629.46/87,608.43
  6. Step 6: Final answer
    x = 81,720.57

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