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Finding the Fourth Proportional to 75,783.36, 113,691.48 and 29,036.28

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Solution

The fourth proportional to 75,783.36, 113,691.48 and 29,036.28 is: 43,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,783.36 : 113,691.48 = 29,036.28 : x
  2. Step 2: Convert to fraction form
    75,783.36/113,691.48 = 29,036.28/x
  3. Step 3: Cross multiply
    75,783.36x = 113,691.48 × 29,036.28
  4. Step 4: Simplify right side
    75,783.36x = 3,301,177,646.89
  5. Step 5: Solve for x
    x = 3,301,177,646.89/75,783.36
  6. Step 6: Final answer
    x = 43,560.72

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