Finding the Fourth Proportional to 3,123.39, 4,310.37 and 1,707.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.39 : 4,310.37 = 1,707.15 : x
2. Step 2: Convert to fraction form
   3,123.39/4,310.37 = 1,707.15/x
3. Step 3: Cross multiply
   3,123.39x = 4,310.37 × 1,707.15
4. Step 4: Simplify right side
   3,123.39x = 7,358,448.15
5. Step 5: Solve for x
   x = 7,358,448.15/3,123.39
6. Step 6: Final answer
   x = 2,355.92