Finding the Fourth Proportional to 31,082.86, 42,894.32 and 16,935.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,082.86 : 42,894.32 = 16,935.71 : x
2. Step 2: Convert to fraction form
   31,082.86/42,894.32 = 16,935.71/x
3. Step 3: Cross multiply
   31,082.86x = 42,894.32 × 16,935.71
4. Step 4: Simplify right side
   31,082.86x = 726,445,465.02
5. Step 5: Solve for x
   x = 726,445,465.02/31,082.86
6. Step 6: Final answer
   x = 23,371.26