Finding the Fourth Proportional to 8,111.04, 12,158.28 and 3,731.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.04 : 12,158.28 = 3,731.76 : x
2. Step 2: Convert to fraction form
   8,111.04/12,158.28 = 3,731.76/x
3. Step 3: Cross multiply
   8,111.04x = 12,158.28 × 3,731.76
4. Step 4: Simplify right side
   8,111.04x = 45,371,782.97
5. Step 5: Solve for x
   x = 45,371,782.97/8,111.04
6. Step 6: Final answer
   x = 5,593.83