Finding the Fourth Proportional to 8,156.60, 12,222.89 and 3,648.19

Step by Step Solution

1. Step 1: Write the proportion equation
   8,156.60 : 12,222.89 = 3,648.19 : x
2. Step 2: Convert to fraction form
   8,156.60/12,222.89 = 3,648.19/x
3. Step 3: Cross multiply
   8,156.60x = 12,222.89 × 3,648.19
4. Step 4: Simplify right side
   8,156.60x = 44,591,425.07
5. Step 5: Solve for x
   x = 44,591,425.07/8,156.60
6. Step 6: Final answer
   x = 5,466.91