Finding the Fourth Proportional to 31,489.98, 43,454.82 and 17,149.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,489.98 : 43,454.82 = 17,149.86 : x
2. Step 2: Convert to fraction form
   31,489.98/43,454.82 = 17,149.86/x
3. Step 3: Cross multiply
   31,489.98x = 43,454.82 × 17,149.86
4. Step 4: Simplify right side
   31,489.98x = 745,244,079.33
5. Step 5: Solve for x
   x = 745,244,079.33/31,489.98
6. Step 6: Final answer
   x = 23,666.07