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Finding the Fourth Proportional to 57,529.52, 86,179.40 and 45,703.32

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Solution

The fourth proportional to 57,529.52, 86,179.40 and 45,703.32 is: 68,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,529.52 : 86,179.40 = 45,703.32 : x
  2. Step 2: Convert to fraction form
    57,529.52/86,179.40 = 45,703.32/x
  3. Step 3: Cross multiply
    57,529.52x = 86,179.40 × 45,703.32
  4. Step 4: Simplify right side
    57,529.52x = 3,938,684,695.61
  5. Step 5: Solve for x
    x = 3,938,684,695.61/57,529.52
  6. Step 6: Final answer
    x = 68,463.72

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