Finding the Fourth Proportional to 2,223.94, 3,336.33 and 925.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.94 : 3,336.33 = 925.39 : x
2. Step 2: Convert to fraction form
   2,223.94/3,336.33 = 925.39/x
3. Step 3: Cross multiply
   2,223.94x = 3,336.33 × 925.39
4. Step 4: Simplify right side
   2,223.94x = 3,087,406.42
5. Step 5: Solve for x
   x = 3,087,406.42/2,223.94
6. Step 6: Final answer
   x = 1,388.26