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Finding the Fourth Proportional to 56,881.52, 78,512.10 and 33,015.88

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Solution

The fourth proportional to 56,881.52, 78,512.10 and 33,015.88 is: 45,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,881.52 : 78,512.10 = 33,015.88 : x
  2. Step 2: Convert to fraction form
    56,881.52/78,512.10 = 33,015.88/x
  3. Step 3: Cross multiply
    56,881.52x = 78,512.10 × 33,015.88
  4. Step 4: Simplify right side
    56,881.52x = 2,592,145,679.59
  5. Step 5: Solve for x
    x = 2,592,145,679.59/56,881.52
  6. Step 6: Final answer
    x = 45,570.97

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