Finding the Fourth Proportional to 8,869.10, 12,240.59 and 5,284.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,869.10 : 12,240.59 = 5,284.24 : x
2. Step 2: Convert to fraction form
   8,869.10/12,240.59 = 5,284.24/x
3. Step 3: Cross multiply
   8,869.10x = 12,240.59 × 5,284.24
4. Step 4: Simplify right side
   8,869.10x = 64,682,158.28
5. Step 5: Solve for x
   x = 64,682,158.28/8,869.10
6. Step 6: Final answer
   x = 7,292.98