Finding the Fourth Proportional to 2,400.03, 3,601.52 and 939.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,400.03 : 3,601.52 = 939.20 : x
2. Step 2: Convert to fraction form
   2,400.03/3,601.52 = 939.20/x
3. Step 3: Cross multiply
   2,400.03x = 3,601.52 × 939.20
4. Step 4: Simplify right side
   2,400.03x = 3,382,524.88
5. Step 5: Solve for x
   x = 3,382,524.88/2,400.03
6. Step 6: Final answer
   x = 1,409.37