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Finding the Fourth Proportional to 75,550.74, 113,323.80 and 19,388.58

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Solution

The fourth proportional to 75,550.74, 113,323.80 and 19,388.58 is: 29,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,550.74 : 113,323.80 = 19,388.58 : x
  2. Step 2: Convert to fraction form
    75,550.74/113,323.80 = 19,388.58/x
  3. Step 3: Cross multiply
    75,550.74x = 113,323.80 × 19,388.58
  4. Step 4: Simplify right side
    75,550.74x = 2,197,187,562.20
  5. Step 5: Solve for x
    x = 2,197,187,562.20/75,550.74
  6. Step 6: Final answer
    x = 29,082.28

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