Finding the Fourth Proportional to 31,096.50, 42,913.26 and 16,949.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.50 : 42,913.26 = 16,949.04 : x
2. Step 2: Convert to fraction form
   31,096.50/42,913.26 = 16,949.04/x
3. Step 3: Cross multiply
   31,096.50x = 42,913.26 × 16,949.04
4. Step 4: Simplify right side
   31,096.50x = 727,338,560.27
5. Step 5: Solve for x
   x = 727,338,560.27/31,096.50
6. Step 6: Final answer
   x = 23,389.72