Finding the Fourth Proportional to 31,049.94, 42,847.56 and 16,902.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,049.94 : 42,847.56 = 16,902.48 : x
2. Step 2: Convert to fraction form
   31,049.94/42,847.56 = 16,902.48/x
3. Step 3: Cross multiply
   31,049.94x = 42,847.56 × 16,902.48
4. Step 4: Simplify right side
   31,049.94x = 724,230,025.95
5. Step 5: Solve for x
   x = 724,230,025.95/31,049.94
6. Step 6: Final answer
   x = 23,324.68