Finding the Fourth Proportional to 8,902.72, 12,283.68 and 5,366.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,902.72 : 12,283.68 = 5,366.08 : x
2. Step 2: Convert to fraction form
   8,902.72/12,283.68 = 5,366.08/x
3. Step 3: Cross multiply
   8,902.72x = 12,283.68 × 5,366.08
4. Step 4: Simplify right side
   8,902.72x = 65,915,209.57
5. Step 5: Solve for x
   x = 65,915,209.57/8,902.72
6. Step 6: Final answer
   x = 7,403.94