Finding the Fourth Proportional to 6,105.68, 9,158.56 and 2,642.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.68 : 9,158.56 = 2,642.16 : x
2. Step 2: Convert to fraction form
   6,105.68/9,158.56 = 2,642.16/x
3. Step 3: Cross multiply
   6,105.68x = 9,158.56 × 2,642.16
4. Step 4: Simplify right side
   6,105.68x = 24,198,380.89
5. Step 5: Solve for x
   x = 24,198,380.89/6,105.68
6. Step 6: Final answer
   x = 3,963.26