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Finding the Fourth Proportional to 70,959.92, 97,922.76 and 39,128.24

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Solution

The fourth proportional to 70,959.92, 97,922.76 and 39,128.24 is: 53,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,959.92 : 97,922.76 = 39,128.24 : x
  2. Step 2: Convert to fraction form
    70,959.92/97,922.76 = 39,128.24/x
  3. Step 3: Cross multiply
    70,959.92x = 97,922.76 × 39,128.24
  4. Step 4: Simplify right side
    70,959.92x = 3,831,545,254.74
  5. Step 5: Solve for x
    x = 3,831,545,254.74/70,959.92
  6. Step 6: Final answer
    x = 53,995.91

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