Finding the Fourth Proportional to 31,110.57, 42,931.67 and 17,683.29

Step by Step Solution

1. Step 1: Write the proportion equation
   31,110.57 : 42,931.67 = 17,683.29 : x
2. Step 2: Convert to fraction form
   31,110.57/42,931.67 = 17,683.29/x
3. Step 3: Cross multiply
   31,110.57x = 42,931.67 × 17,683.29
4. Step 4: Simplify right side
   31,110.57x = 759,173,082.38
5. Step 5: Solve for x
   x = 759,173,082.38/31,110.57
6. Step 6: Final answer
   x = 24,402.42