Finding the Fourth Proportional to 8,223.82, 12,339.78 and 5,102.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,223.82 : 12,339.78 = 5,102.98 : x
2. Step 2: Convert to fraction form
   8,223.82/12,339.78 = 5,102.98/x
3. Step 3: Cross multiply
   8,223.82x = 12,339.78 × 5,102.98
4. Step 4: Simplify right side
   8,223.82x = 62,969,650.54
5. Step 5: Solve for x
   x = 62,969,650.54/8,223.82
6. Step 6: Final answer
   x = 7,656.98