Finding the Fourth Proportional to 8,113.88, 12,168.98 and 3,727.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,113.88 : 12,168.98 = 3,727.12 : x
2. Step 2: Convert to fraction form
   8,113.88/12,168.98 = 3,727.12/x
3. Step 3: Cross multiply
   8,113.88x = 12,168.98 × 3,727.12
4. Step 4: Simplify right side
   8,113.88x = 45,355,248.74
5. Step 5: Solve for x
   x = 45,355,248.74/8,113.88
6. Step 6: Final answer
   x = 5,589.83