Finding the Fourth Proportional to 8,807.37, 12,156.47 and 5,448.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.37 : 12,156.47 = 5,448.23 : x
2. Step 2: Convert to fraction form
   8,807.37/12,156.47 = 5,448.23/x
3. Step 3: Cross multiply
   8,807.37x = 12,156.47 × 5,448.23
4. Step 4: Simplify right side
   8,807.37x = 66,231,244.55
5. Step 5: Solve for x
   x = 66,231,244.55/8,807.37
6. Step 6: Final answer
   x = 7,519.98