Finding the Fourth Proportional to 10,912.12, 16,371.06 and 3,517

Step by Step Solution

1. Step 1: Write the proportion equation
   10,912.12 : 16,371.06 = 3,517 : x
2. Step 2: Convert to fraction form
   10,912.12/16,371.06 = 3,517/x
3. Step 3: Cross multiply
   10,912.12x = 16,371.06 × 3,517
4. Step 4: Simplify right side
   10,912.12x = 57,577,018.02
5. Step 5: Solve for x
   x = 57,577,018.02/10,912.12
6. Step 6: Final answer
   x = 5,276.43