Finding the Fourth Proportional to 8,061.40, 12,091.18 and 2,217.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.40 : 12,091.18 = 2,217.25 : x
2. Step 2: Convert to fraction form
   8,061.40/12,091.18 = 2,217.25/x
3. Step 3: Cross multiply
   8,061.40x = 12,091.18 × 2,217.25
4. Step 4: Simplify right side
   8,061.40x = 26,809,168.86
5. Step 5: Solve for x
   x = 26,809,168.86/8,061.40
6. Step 6: Final answer
   x = 3,325.62