Finding the Fourth Proportional to 7,042.56, 10,566.72 and 3,754.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,042.56 : 10,566.72 = 3,754.80 : x
2. Step 2: Convert to fraction form
   7,042.56/10,566.72 = 3,754.80/x
3. Step 3: Cross multiply
   7,042.56x = 10,566.72 × 3,754.80
4. Step 4: Simplify right side
   7,042.56x = 39,675,920.26
5. Step 5: Solve for x
   x = 39,675,920.26/7,042.56
6. Step 6: Final answer
   x = 5,633.74