Finding the Fourth Proportional to 2,337.39, 3,225.15 and 1,393.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.39 : 3,225.15 = 1,393.61 : x
2. Step 2: Convert to fraction form
   2,337.39/3,225.15 = 1,393.61/x
3. Step 3: Cross multiply
   2,337.39x = 3,225.15 × 1,393.61
4. Step 4: Simplify right side
   2,337.39x = 4,494,585.17
5. Step 5: Solve for x
   x = 4,494,585.17/2,337.39
6. Step 6: Final answer
   x = 1,922.91