Finding the Fourth Proportional to 31,561.40, 43,554.70 and 17,414.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,561.40 : 43,554.70 = 17,414.24 : x
2. Step 2: Convert to fraction form
   31,561.40/43,554.70 = 17,414.24/x
3. Step 3: Cross multiply
   31,561.40x = 43,554.70 × 17,414.24
4. Step 4: Simplify right side
   31,561.40x = 758,471,911.86
5. Step 5: Solve for x
   x = 758,471,911.86/31,561.40
6. Step 6: Final answer
   x = 24,031.63