Finding the Fourth Proportional to 2,399.11, 3,600.71 and 939.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.11 : 3,600.71 = 939.29 : x
2. Step 2: Convert to fraction form
   2,399.11/3,600.71 = 939.29/x
3. Step 3: Cross multiply
   2,399.11x = 3,600.71 × 939.29
4. Step 4: Simplify right side
   2,399.11x = 3,382,095.24
5. Step 5: Solve for x
   x = 3,382,095.24/2,399.11
6. Step 6: Final answer
   x = 1,409.73