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Finding the Fourth Proportional to 115,587.90, 173,406.15 and 65,627.10

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Solution

The fourth proportional to 115,587.90, 173,406.15 and 65,627.10 is: 98,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,587.90 : 173,406.15 = 65,627.10 : x
  2. Step 2: Convert to fraction form
    115,587.90/173,406.15 = 65,627.10/x
  3. Step 3: Cross multiply
    115,587.90x = 173,406.15 × 65,627.10
  4. Step 4: Simplify right side
    115,587.90x = 11,380,142,746.67
  5. Step 5: Solve for x
    x = 11,380,142,746.67/115,587.90
  6. Step 6: Final answer
    x = 98,454.45

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