Finding the Fourth Proportional to 31,096.54, 42,913.26 and 16,949.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.54 : 42,913.26 = 16,949.38 : x
2. Step 2: Convert to fraction form
   31,096.54/42,913.26 = 16,949.38/x
3. Step 3: Cross multiply
   31,096.54x = 42,913.26 × 16,949.38
4. Step 4: Simplify right side
   31,096.54x = 727,353,150.78
5. Step 5: Solve for x
   x = 727,353,150.78/31,096.54
6. Step 6: Final answer
   x = 23,390.16