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Finding the Fourth Proportional to 77,853.20, 116,779.80 and 62,301.20

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Solution

The fourth proportional to 77,853.20, 116,779.80 and 62,301.20 is: 93,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,853.20 : 116,779.80 = 62,301.20 : x
  2. Step 2: Convert to fraction form
    77,853.20/116,779.80 = 62,301.20/x
  3. Step 3: Cross multiply
    77,853.20x = 116,779.80 × 62,301.20
  4. Step 4: Simplify right side
    77,853.20x = 7,275,521,675.76
  5. Step 5: Solve for x
    x = 7,275,521,675.76/77,853.20
  6. Step 6: Final answer
    x = 93,451.80

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