Finding the Fourth Proportional to 31,022.02, 42,810.06 and 16,874.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,022.02 : 42,810.06 = 16,874.92 : x
2. Step 2: Convert to fraction form
   31,022.02/42,810.06 = 16,874.92/x
3. Step 3: Cross multiply
   31,022.02x = 42,810.06 × 16,874.92
4. Step 4: Simplify right side
   31,022.02x = 722,416,337.70
5. Step 5: Solve for x
   x = 722,416,337.70/31,022.02
6. Step 6: Final answer
   x = 23,287.21