Finding the Fourth Proportional to 31,049.37, 42,846.89 and 16,902.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,049.37 : 42,846.89 = 16,902.23 : x
2. Step 2: Convert to fraction form
   31,049.37/42,846.89 = 16,902.23/x
3. Step 3: Cross multiply
   31,049.37x = 42,846.89 × 16,902.23
4. Step 4: Simplify right side
   31,049.37x = 724,207,690.82
5. Step 5: Solve for x
   x = 724,207,690.82/31,049.37
6. Step 6: Final answer
   x = 23,324.39