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Finding the Fourth Proportional to 115,526.60, 173,289.90 and 65,587.40

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Solution

The fourth proportional to 115,526.60, 173,289.90 and 65,587.40 is: 98,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,526.60 : 173,289.90 = 65,587.40 : x
  2. Step 2: Convert to fraction form
    115,526.60/173,289.90 = 65,587.40/x
  3. Step 3: Cross multiply
    115,526.60x = 173,289.90 × 65,587.40
  4. Step 4: Simplify right side
    115,526.60x = 11,365,633,987.26
  5. Step 5: Solve for x
    x = 11,365,633,987.26/115,526.60
  6. Step 6: Final answer
    x = 98,381.10

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