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Finding the Fourth Proportional to 87,533.52, 120,724.92 and 55,647.60

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Solution

The fourth proportional to 87,533.52, 120,724.92 and 55,647.60 is: 76,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,533.52 : 120,724.92 = 55,647.60 : x
  2. Step 2: Convert to fraction form
    87,533.52/120,724.92 = 55,647.60/x
  3. Step 3: Cross multiply
    87,533.52x = 120,724.92 × 55,647.60
  4. Step 4: Simplify right side
    87,533.52x = 6,718,052,058.19
  5. Step 5: Solve for x
    x = 6,718,052,058.19/87,533.52
  6. Step 6: Final answer
    x = 76,748.34

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