Finding the Fourth Proportional to 8,790.17, 13,152.81 and 5,282.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,790.17 : 13,152.81 = 5,282.29 : x
2. Step 2: Convert to fraction form
   8,790.17/13,152.81 = 5,282.29/x
3. Step 3: Cross multiply
   8,790.17x = 13,152.81 × 5,282.29
4. Step 4: Simplify right side
   8,790.17x = 69,476,956.73
5. Step 5: Solve for x
   x = 69,476,956.73/8,790.17
6. Step 6: Final answer
   x = 7,903.94