Finding the Fourth Proportional to 8,243.50, 12,361.55 and 4,913.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,243.50 : 12,361.55 = 4,913.32 : x
2. Step 2: Convert to fraction form
   8,243.50/12,361.55 = 4,913.32/x
3. Step 3: Cross multiply
   8,243.50x = 12,361.55 × 4,913.32
4. Step 4: Simplify right side
   8,243.50x = 60,736,250.85
5. Step 5: Solve for x
   x = 60,736,250.85/8,243.50
6. Step 6: Final answer
   x = 7,367.77