Finding the Fourth Proportional to 31,096.62, 42,912.90 and 16,949.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.62 : 42,912.90 = 16,949.52 : x
2. Step 2: Convert to fraction form
   31,096.62/42,912.90 = 16,949.52/x
3. Step 3: Cross multiply
   31,096.62x = 42,912.90 × 16,949.52
4. Step 4: Simplify right side
   31,096.62x = 727,353,056.81
5. Step 5: Solve for x
   x = 727,353,056.81/31,096.62
6. Step 6: Final answer
   x = 23,390.10