Finding the Fourth Proportional to 2,480.56, 3,715.98 and 1,601.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.56 : 3,715.98 = 1,601.80 : x
2. Step 2: Convert to fraction form
   2,480.56/3,715.98 = 1,601.80/x
3. Step 3: Cross multiply
   2,480.56x = 3,715.98 × 1,601.80
4. Step 4: Simplify right side
   2,480.56x = 5,952,256.76
5. Step 5: Solve for x
   x = 5,952,256.76/2,480.56
6. Step 6: Final answer
   x = 2,399.56