Finding the Fourth Proportional to 1,707.71, 2,357.37 and 1,148.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707.71 : 2,357.37 = 1,148.50 : x
2. Step 2: Convert to fraction form
   1,707.71/2,357.37 = 1,148.50/x
3. Step 3: Cross multiply
   1,707.71x = 2,357.37 × 1,148.50
4. Step 4: Simplify right side
   1,707.71x = 2,707,433.70
5. Step 5: Solve for x
   x = 2,707,433.70/1,707.71
6. Step 6: Final answer
   x = 1,585.42