Finding the Fourth Proportional to 5,736.72, 8,602.56 and 2,960.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,736.72 : 8,602.56 = 2,960.76 : x
2. Step 2: Convert to fraction form
   5,736.72/8,602.56 = 2,960.76/x
3. Step 3: Cross multiply
   5,736.72x = 8,602.56 × 2,960.76
4. Step 4: Simplify right side
   5,736.72x = 25,470,115.55
5. Step 5: Solve for x
   x = 25,470,115.55/5,736.72
6. Step 6: Final answer
   x = 4,439.84