Finding the Fourth Proportional to 31,488.55, 43,456.17 and 17,341.39

Step by Step Solution

1. Step 1: Write the proportion equation
   31,488.55 : 43,456.17 = 17,341.39 : x
2. Step 2: Convert to fraction form
   31,488.55/43,456.17 = 17,341.39/x
3. Step 3: Cross multiply
   31,488.55x = 43,456.17 × 17,341.39
4. Step 4: Simplify right side
   31,488.55x = 753,590,391.88
5. Step 5: Solve for x
   x = 753,590,391.88/31,488.55
6. Step 6: Final answer
   x = 23,932.21