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Finding the Fourth Proportional to 67,296.08, 100,985.88 and 45,704.72

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Solution

The fourth proportional to 67,296.08, 100,985.88 and 45,704.72 is: 68,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,296.08 : 100,985.88 = 45,704.72 : x
  2. Step 2: Convert to fraction form
    67,296.08/100,985.88 = 45,704.72/x
  3. Step 3: Cross multiply
    67,296.08x = 100,985.88 × 45,704.72
  4. Step 4: Simplify right side
    67,296.08x = 4,615,531,369.35
  5. Step 5: Solve for x
    x = 4,615,531,369.35/67,296.08
  6. Step 6: Final answer
    x = 68,585.44

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