Finding the Fourth Proportional to 7,042.82, 10,566.59 and 2,661.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,042.82 : 10,566.59 = 2,661.54 : x
2. Step 2: Convert to fraction form
   7,042.82/10,566.59 = 2,661.54/x
3. Step 3: Cross multiply
   7,042.82x = 10,566.59 × 2,661.54
4. Step 4: Simplify right side
   7,042.82x = 28,123,401.95
5. Step 5: Solve for x
   x = 28,123,401.95/7,042.82
6. Step 6: Final answer
   x = 3,993.20