Finding the Fourth Proportional to 2,665.85, 3,993.66 and 1,492.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.85 : 3,993.66 = 1,492.29 : x
2. Step 2: Convert to fraction form
   2,665.85/3,993.66 = 1,492.29/x
3. Step 3: Cross multiply
   2,665.85x = 3,993.66 × 1,492.29
4. Step 4: Simplify right side
   2,665.85x = 5,959,698.88
5. Step 5: Solve for x
   x = 5,959,698.88/2,665.85
6. Step 6: Final answer
   x = 2,235.58