Finding the Fourth Proportional to 8,223.84, 12,324.72 and 5,300.64

Step by Step Solution

1. Step 1: Write the proportion equation
   8,223.84 : 12,324.72 = 5,300.64 : x
2. Step 2: Convert to fraction form
   8,223.84/12,324.72 = 5,300.64/x
3. Step 3: Cross multiply
   8,223.84x = 12,324.72 × 5,300.64
4. Step 4: Simplify right side
   8,223.84x = 65,328,903.82
5. Step 5: Solve for x
   x = 65,328,903.82/8,223.84
6. Step 6: Final answer
   x = 7,943.84