Finding the Fourth Proportional to 2,502.78, 3,454.86 and 1,708.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502.78 : 3,454.86 = 1,708.73 : x
2. Step 2: Convert to fraction form
   2,502.78/3,454.86 = 1,708.73/x
3. Step 3: Cross multiply
   2,502.78x = 3,454.86 × 1,708.73
4. Step 4: Simplify right side
   2,502.78x = 5,903,405.65
5. Step 5: Solve for x
   x = 5,903,405.65/2,502.78
6. Step 6: Final answer
   x = 2,358.74