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Finding the Fourth Proportional to 75,748.80, 104,541.12 and 45,543.96

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Solution

The fourth proportional to 75,748.80, 104,541.12 and 45,543.96 is: 62,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,748.80 : 104,541.12 = 45,543.96 : x
  2. Step 2: Convert to fraction form
    75,748.80/104,541.12 = 45,543.96/x
  3. Step 3: Cross multiply
    75,748.80x = 104,541.12 × 45,543.96
  4. Step 4: Simplify right side
    75,748.80x = 4,761,216,587.64
  5. Step 5: Solve for x
    x = 4,761,216,587.64/75,748.80
  6. Step 6: Final answer
    x = 62,855.34

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