Finding the Fourth Proportional to 5,601.72, 8,404.41 and 2,680.26

Step by Step Solution

1. Step 1: Write the proportion equation
   5,601.72 : 8,404.41 = 2,680.26 : x
2. Step 2: Convert to fraction form
   5,601.72/8,404.41 = 2,680.26/x
3. Step 3: Cross multiply
   5,601.72x = 8,404.41 × 2,680.26
4. Step 4: Simplify right side
   5,601.72x = 22,526,003.95
5. Step 5: Solve for x
   x = 22,526,003.95/5,601.72
6. Step 6: Final answer
   x = 4,021.27