Finding the Fourth Proportional to 31,251.75, 43,128.01 and 17,104.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,251.75 : 43,128.01 = 17,104.59 : x
2. Step 2: Convert to fraction form
   31,251.75/43,128.01 = 17,104.59/x
3. Step 3: Cross multiply
   31,251.75x = 43,128.01 × 17,104.59
4. Step 4: Simplify right side
   31,251.75x = 737,686,949.95
5. Step 5: Solve for x
   x = 737,686,949.95/31,251.75
6. Step 6: Final answer
   x = 23,604.66