Finding the Fourth Proportional to 2,321.88, 3,480.66 and 1,708.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.88 : 3,480.66 = 1,708.71 : x
2. Step 2: Convert to fraction form
   2,321.88/3,480.66 = 1,708.71/x
3. Step 3: Cross multiply
   2,321.88x = 3,480.66 × 1,708.71
4. Step 4: Simplify right side
   2,321.88x = 5,947,438.55
5. Step 5: Solve for x
   x = 5,947,438.55/2,321.88
6. Step 6: Final answer
   x = 2,561.48