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Finding the Fourth Proportional to 75,496.47, 113,255.64 and 28,107.69

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Solution

The fourth proportional to 75,496.47, 113,255.64 and 28,107.69 is: 42,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,496.47 : 113,255.64 = 28,107.69 : x
  2. Step 2: Convert to fraction form
    75,496.47/113,255.64 = 28,107.69/x
  3. Step 3: Cross multiply
    75,496.47x = 113,255.64 × 28,107.69
  4. Step 4: Simplify right side
    75,496.47x = 3,183,354,419.87
  5. Step 5: Solve for x
    x = 3,183,354,419.87/75,496.47
  6. Step 6: Final answer
    x = 42,165.61

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