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Finding the Fourth Proportional to 79,794.72, 119,691.36 and 30,546.72

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Solution

The fourth proportional to 79,794.72, 119,691.36 and 30,546.72 is: 45,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.72 : 119,691.36 = 30,546.72 : x
  2. Step 2: Convert to fraction form
    79,794.72/119,691.36 = 30,546.72/x
  3. Step 3: Cross multiply
    79,794.72x = 119,691.36 × 30,546.72
  4. Step 4: Simplify right side
    79,794.72x = 3,656,178,460.34
  5. Step 5: Solve for x
    x = 3,656,178,460.34/79,794.72
  6. Step 6: Final answer
    x = 45,819.80

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