Finding the Fourth Proportional to 12,040.86, 16,618.42 and 7,566.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,040.86 : 16,618.42 = 7,566.42 : x
2. Step 2: Convert to fraction form
   12,040.86/16,618.42 = 7,566.42/x
3. Step 3: Cross multiply
   12,040.86x = 16,618.42 × 7,566.42
4. Step 4: Simplify right side
   12,040.86x = 125,741,945.46
5. Step 5: Solve for x
   x = 125,741,945.46/12,040.86
6. Step 6: Final answer
   x = 10,442.94