Finding the Fourth Proportional to 31,096.68, 42,913.42 and 16,949.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.68 : 42,913.42 = 16,949.52 : x
2. Step 2: Convert to fraction form
   31,096.68/42,913.42 = 16,949.52/x
3. Step 3: Cross multiply
   31,096.68x = 42,913.42 × 16,949.52
4. Step 4: Simplify right side
   31,096.68x = 727,361,870.56
5. Step 5: Solve for x
   x = 727,361,870.56/31,096.68
6. Step 6: Final answer
   x = 23,390.34