Finding the Fourth Proportional to 8,146.55, 12,222.41 and 3,642.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,146.55 : 12,222.41 = 3,642.91 : x
2. Step 2: Convert to fraction form
   8,146.55/12,222.41 = 3,642.91/x
3. Step 3: Cross multiply
   8,146.55x = 12,222.41 × 3,642.91
4. Step 4: Simplify right side
   8,146.55x = 44,525,139.61
5. Step 5: Solve for x
   x = 44,525,139.61/8,146.55
6. Step 6: Final answer
   x = 5,465.52