Finding the Fourth Proportional to 2,665.82, 3,999.12 and 934.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.82 : 3,999.12 = 934.04 : x
2. Step 2: Convert to fraction form
   2,665.82/3,999.12 = 934.04/x
3. Step 3: Cross multiply
   2,665.82x = 3,999.12 × 934.04
4. Step 4: Simplify right side
   2,665.82x = 3,735,338.04
5. Step 5: Solve for x
   x = 3,735,338.04/2,665.82
6. Step 6: Final answer
   x = 1,401.20