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Finding the Fourth Proportional to 54,915.78, 75,783.72 and 29,765.28

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Solution

The fourth proportional to 54,915.78, 75,783.72 and 29,765.28 is: 41,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915.78 : 75,783.72 = 29,765.28 : x
  2. Step 2: Convert to fraction form
    54,915.78/75,783.72 = 29,765.28/x
  3. Step 3: Cross multiply
    54,915.78x = 75,783.72 × 29,765.28
  4. Step 4: Simplify right side
    54,915.78x = 2,255,723,645.24
  5. Step 5: Solve for x
    x = 2,255,723,645.24/54,915.78
  6. Step 6: Final answer
    x = 41,076.06

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