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Finding the Fourth Proportional to 77,246.80, 115,870.20 and 32,862.40

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Solution

The fourth proportional to 77,246.80, 115,870.20 and 32,862.40 is: 49,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,246.80 : 115,870.20 = 32,862.40 : x
  2. Step 2: Convert to fraction form
    77,246.80/115,870.20 = 32,862.40/x
  3. Step 3: Cross multiply
    77,246.80x = 115,870.20 × 32,862.40
  4. Step 4: Simplify right side
    77,246.80x = 3,807,772,860.48
  5. Step 5: Solve for x
    x = 3,807,772,860.48/77,246.80
  6. Step 6: Final answer
    x = 49,293.60

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