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Finding the Fourth Proportional to 115,528.80, 173,293.20 and 65,762.40

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Solution

The fourth proportional to 115,528.80, 173,293.20 and 65,762.40 is: 98,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,528.80 : 173,293.20 = 65,762.40 : x
  2. Step 2: Convert to fraction form
    115,528.80/173,293.20 = 65,762.40/x
  3. Step 3: Cross multiply
    115,528.80x = 173,293.20 × 65,762.40
  4. Step 4: Simplify right side
    115,528.80x = 11,396,176,735.68
  5. Step 5: Solve for x
    x = 11,396,176,735.68/115,528.80
  6. Step 6: Final answer
    x = 98,643.60

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