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Finding the Fourth Proportional to 55,402.88, 83,150.81 and 28,765.22

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Solution

The fourth proportional to 55,402.88, 83,150.81 and 28,765.22 is: 43,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.88 : 83,150.81 = 28,765.22 : x
  2. Step 2: Convert to fraction form
    55,402.88/83,150.81 = 28,765.22/x
  3. Step 3: Cross multiply
    55,402.88x = 83,150.81 × 28,765.22
  4. Step 4: Simplify right side
    55,402.88x = 2,391,850,783.25
  5. Step 5: Solve for x
    x = 2,391,850,783.25/55,402.88
  6. Step 6: Final answer
    x = 43,171.96

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