Finding the Fourth Proportional to 2,227.52, 3,341.32 and 688.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.52 : 3,341.32 = 688.52 : x
2. Step 2: Convert to fraction form
   2,227.52/3,341.32 = 688.52/x
3. Step 3: Cross multiply
   2,227.52x = 3,341.32 × 688.52
4. Step 4: Simplify right side
   2,227.52x = 2,300,565.65
5. Step 5: Solve for x
   x = 2,300,565.65/2,227.52
6. Step 6: Final answer
   x = 1,032.79