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Finding the Fourth Proportional to 57,415.36, 79,306.68 and 43,904.56

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Solution

The fourth proportional to 57,415.36, 79,306.68 and 43,904.56 is: 60,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.36 : 79,306.68 = 43,904.56 : x
  2. Step 2: Convert to fraction form
    57,415.36/79,306.68 = 43,904.56/x
  3. Step 3: Cross multiply
    57,415.36x = 79,306.68 × 43,904.56
  4. Step 4: Simplify right side
    57,415.36x = 3,481,924,890.46
  5. Step 5: Solve for x
    x = 3,481,924,890.46/57,415.36
  6. Step 6: Final answer
    x = 60,644.48

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