Finding the Fourth Proportional to 8,529.24, 12,792.78 and 3,338.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,529.24 : 12,792.78 = 3,338.76 : x
2. Step 2: Convert to fraction form
   8,529.24/12,792.78 = 3,338.76/x
3. Step 3: Cross multiply
   8,529.24x = 12,792.78 × 3,338.76
4. Step 4: Simplify right side
   8,529.24x = 42,712,022.15
5. Step 5: Solve for x
   x = 42,712,022.15/8,529.24
6. Step 6: Final answer
   x = 5,007.72