Finding the Fourth Proportional to 31,101.29, 42,920.94 and 17,674.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,101.29 : 42,920.94 = 17,674.82 : x
2. Step 2: Convert to fraction form
   31,101.29/42,920.94 = 17,674.82/x
3. Step 3: Cross multiply
   31,101.29x = 42,920.94 × 17,674.82
4. Step 4: Simplify right side
   31,101.29x = 758,619,674.13
5. Step 5: Solve for x
   x = 758,619,674.13/31,101.29
6. Step 6: Final answer
   x = 24,391.91