Finding the Fourth Proportional to 2,225.33, 3,339.30 and 926.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.33 : 3,339.30 = 926.79 : x
2. Step 2: Convert to fraction form
   2,225.33/3,339.30 = 926.79/x
3. Step 3: Cross multiply
   2,225.33x = 3,339.30 × 926.79
4. Step 4: Simplify right side
   2,225.33x = 3,094,829.85
5. Step 5: Solve for x
   x = 3,094,829.85/2,225.33
6. Step 6: Final answer
   x = 1,390.73