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Finding the Fourth Proportional to 104,645.88, 144,410.55 and 56,899.26

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Solution

The fourth proportional to 104,645.88, 144,410.55 and 56,899.26 is: 78,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,645.88 : 144,410.55 = 56,899.26 : x
  2. Step 2: Convert to fraction form
    104,645.88/144,410.55 = 56,899.26/x
  3. Step 3: Cross multiply
    104,645.88x = 144,410.55 × 56,899.26
  4. Step 4: Simplify right side
    104,645.88x = 8,216,853,431.19
  5. Step 5: Solve for x
    x = 8,216,853,431.19/104,645.88
  6. Step 6: Final answer
    x = 78,520.56

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