Finding the Fourth Proportional to 2,148.54, 3,219.71 and 1,708.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.54 : 3,219.71 = 1,708.71 : x
2. Step 2: Convert to fraction form
   2,148.54/3,219.71 = 1,708.71/x
3. Step 3: Cross multiply
   2,148.54x = 3,219.71 × 1,708.71
4. Step 4: Simplify right side
   2,148.54x = 5,501,542.13
5. Step 5: Solve for x
   x = 5,501,542.13/2,148.54
6. Step 6: Final answer
   x = 2,560.60