Finding the Fourth Proportional to 8,807.20, 12,152.43 and 5,821.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.20 : 12,152.43 = 5,821.49 : x
2. Step 2: Convert to fraction form
   8,807.20/12,152.43 = 5,821.49/x
3. Step 3: Cross multiply
   8,807.20x = 12,152.43 × 5,821.49
4. Step 4: Simplify right side
   8,807.20x = 70,745,280.10
5. Step 5: Solve for x
   x = 70,745,280.10/8,807.20
6. Step 6: Final answer
   x = 8,032.67