Finding the Fourth Proportional to 2,665.48, 3,680.17 and 1,723.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.48 : 3,680.17 = 1,723.55 : x
2. Step 2: Convert to fraction form
   2,665.48/3,680.17 = 1,723.55/x
3. Step 3: Cross multiply
   2,665.48x = 3,680.17 × 1,723.55
4. Step 4: Simplify right side
   2,665.48x = 6,342,934.29
5. Step 5: Solve for x
   x = 6,342,934.29/2,665.48
6. Step 6: Final answer
   x = 2,379.66