Finding the Fourth Proportional to 2,227.32, 3,341.43 and 928.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.32 : 3,341.43 = 928.89 : x
2. Step 2: Convert to fraction form
   2,227.32/3,341.43 = 928.89/x
3. Step 3: Cross multiply
   2,227.32x = 3,341.43 × 928.89
4. Step 4: Simplify right side
   2,227.32x = 3,103,820.91
5. Step 5: Solve for x
   x = 3,103,820.91/2,227.32
6. Step 6: Final answer
   x = 1,393.52