Finding the Fourth Proportional to 2,399.52, 3,599.59 and 938.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.52 : 3,599.59 = 938.48 : x
2. Step 2: Convert to fraction form
   2,399.52/3,599.59 = 938.48/x
3. Step 3: Cross multiply
   2,399.52x = 3,599.59 × 938.48
4. Step 4: Simplify right side
   2,399.52x = 3,378,147.53
5. Step 5: Solve for x
   x = 3,378,147.53/2,399.52
6. Step 6: Final answer
   x = 1,407.84