Finding the Fourth Proportional to 2,149.80, 2,965.32 and 1,707

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.80 : 2,965.32 = 1,707 : x
2. Step 2: Convert to fraction form
   2,149.80/2,965.32 = 1,707/x
3. Step 3: Cross multiply
   2,149.80x = 2,965.32 × 1,707
4. Step 4: Simplify right side
   2,149.80x = 5,061,801.24
5. Step 5: Solve for x
   x = 5,061,801.24/2,149.80
6. Step 6: Final answer
   x = 2,354.55