Finding the Fourth Proportional to 8,807.43, 12,156.56 and 5,448.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.43 : 12,156.56 = 5,448.30 : x
2. Step 2: Convert to fraction form
   8,807.43/12,156.56 = 5,448.30/x
3. Step 3: Cross multiply
   8,807.43x = 12,156.56 × 5,448.30
4. Step 4: Simplify right side
   8,807.43x = 66,232,585.85
5. Step 5: Solve for x
   x = 66,232,585.85/8,807.43
6. Step 6: Final answer
   x = 7,520.08