Finding the Fourth Proportional to 2,371.96, 3,274.46 and 1,665.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.96 : 3,274.46 = 1,665.30 : x
2. Step 2: Convert to fraction form
   2,371.96/3,274.46 = 1,665.30/x
3. Step 3: Cross multiply
   2,371.96x = 3,274.46 × 1,665.30
4. Step 4: Simplify right side
   2,371.96x = 5,452,958.24
5. Step 5: Solve for x
   x = 5,452,958.24/2,371.96
6. Step 6: Final answer
   x = 2,298.93