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Finding the Fourth Proportional to 111,111.74, 166,587.21 and 66,026.23

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Solution

The fourth proportional to 111,111.74, 166,587.21 and 66,026.23 is: 98,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,111.74 : 166,587.21 = 66,026.23 : x
  2. Step 2: Convert to fraction form
    111,111.74/166,587.21 = 66,026.23/x
  3. Step 3: Cross multiply
    111,111.74x = 166,587.21 × 66,026.23
  4. Step 4: Simplify right side
    111,111.74x = 10,999,125,442.52
  5. Step 5: Solve for x
    x = 10,999,125,442.52/111,111.74
  6. Step 6: Final answer
    x = 98,991.57

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