Finding the Fourth Proportional to 31,552.30, 43,540.17 and 17,405.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,552.30 : 43,540.17 = 17,405.23 : x
2. Step 2: Convert to fraction form
   31,552.30/43,540.17 = 17,405.23/x
3. Step 3: Cross multiply
   31,552.30x = 43,540.17 × 17,405.23
4. Step 4: Simplify right side
   31,552.30x = 757,826,673.09
5. Step 5: Solve for x
   x = 757,826,673.09/31,552.30
6. Step 6: Final answer
   x = 24,018.11