Finding the Fourth Proportional to 12,008.24, 18,007.78 and 5,766.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008.24 : 18,007.78 = 5,766.48 : x
2. Step 2: Convert to fraction form
   12,008.24/18,007.78 = 5,766.48/x
3. Step 3: Cross multiply
   12,008.24x = 18,007.78 × 5,766.48
4. Step 4: Simplify right side
   12,008.24x = 103,841,503.21
5. Step 5: Solve for x
   x = 103,841,503.21/12,008.24
6. Step 6: Final answer
   x = 8,647.52