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Finding the Fourth Proportional to 45,814.80, 68,722.20 and 43,676.40

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Solution

The fourth proportional to 45,814.80, 68,722.20 and 43,676.40 is: 65,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,814.80 : 68,722.20 = 43,676.40 : x
  2. Step 2: Convert to fraction form
    45,814.80/68,722.20 = 43,676.40/x
  3. Step 3: Cross multiply
    45,814.80x = 68,722.20 × 43,676.40
  4. Step 4: Simplify right side
    45,814.80x = 3,001,538,296.08
  5. Step 5: Solve for x
    x = 3,001,538,296.08/45,814.80
  6. Step 6: Final answer
    x = 65,514.60

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