Finding the Fourth Proportional to 8,141.74, 12,205.41 and 3,522.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,141.74 : 12,205.41 = 3,522.22 : x
2. Step 2: Convert to fraction form
   8,141.74/12,205.41 = 3,522.22/x
3. Step 3: Cross multiply
   8,141.74x = 12,205.41 × 3,522.22
4. Step 4: Simplify right side
   8,141.74x = 42,990,139.21
5. Step 5: Solve for x
   x = 42,990,139.21/8,141.74
6. Step 6: Final answer
   x = 5,280.22