Finding the Fourth Proportional to 2,397.61, 3,598.04 and 936.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.61 : 3,598.04 = 936.57 : x
2. Step 2: Convert to fraction form
   2,397.61/3,598.04 = 936.57/x
3. Step 3: Cross multiply
   2,397.61x = 3,598.04 × 936.57
4. Step 4: Simplify right side
   2,397.61x = 3,369,816.32
5. Step 5: Solve for x
   x = 3,369,816.32/2,397.61
6. Step 6: Final answer
   x = 1,405.49