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Finding the Fourth Proportional to 265,890.76, 398,749.86 and 88,350.10

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Solution

The fourth proportional to 265,890.76, 398,749.86 and 88,350.10 is: 132,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,890.76 : 398,749.86 = 88,350.10 : x
  2. Step 2: Convert to fraction form
    265,890.76/398,749.86 = 88,350.10/x
  3. Step 3: Cross multiply
    265,890.76x = 398,749.86 × 88,350.10
  4. Step 4: Simplify right side
    265,890.76x = 35,229,590,005.99
  5. Step 5: Solve for x
    x = 35,229,590,005.99/265,890.76
  6. Step 6: Final answer
    x = 132,496.48

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