Finding the Fourth Proportional to 2,665.54, 3,679.05 and 1,732.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.54 : 3,679.05 = 1,732.42 : x
2. Step 2: Convert to fraction form
   2,665.54/3,679.05 = 1,732.42/x
3. Step 3: Cross multiply
   2,665.54x = 3,679.05 × 1,732.42
4. Step 4: Simplify right side
   2,665.54x = 6,373,659.80
5. Step 5: Solve for x
   x = 6,373,659.80/2,665.54
6. Step 6: Final answer
   x = 2,391.13