Finding the Fourth Proportional to 2,600.72, 3,591.52 and 2,225.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,600.72 : 3,591.52 = 2,225.52 : x
2. Step 2: Convert to fraction form
   2,600.72/3,591.52 = 2,225.52/x
3. Step 3: Cross multiply
   2,600.72x = 3,591.52 × 2,225.52
4. Step 4: Simplify right side
   2,600.72x = 7,992,999.59
5. Step 5: Solve for x
   x = 7,992,999.59/2,600.72
6. Step 6: Final answer
   x = 3,073.38