Finding the Fourth Proportional to 1,665.30, 2,492.10 and 1,369.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.30 : 2,492.10 = 1,369.23 : x
2. Step 2: Convert to fraction form
   1,665.30/2,492.10 = 1,369.23/x
3. Step 3: Cross multiply
   1,665.30x = 2,492.10 × 1,369.23
4. Step 4: Simplify right side
   1,665.30x = 3,412,258.08
5. Step 5: Solve for x
   x = 3,412,258.08/1,665.30
6. Step 6: Final answer
   x = 2,049.04