Finding the Fourth Proportional to 31,665.22, 43,699.29 and 17,517.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,665.22 : 43,699.29 = 17,517.82 : x
2. Step 2: Convert to fraction form
   31,665.22/43,699.29 = 17,517.82/x
3. Step 3: Cross multiply
   31,665.22x = 43,699.29 × 17,517.82
4. Step 4: Simplify right side
   31,665.22x = 765,516,296.35
5. Step 5: Solve for x
   x = 765,516,296.35/31,665.22
6. Step 6: Final answer
   x = 24,175.30