Finding the Fourth Proportional to 2,288.88, 3,433.14 and 728.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.88 : 3,433.14 = 728.82 : x
2. Step 2: Convert to fraction form
   2,288.88/3,433.14 = 728.82/x
3. Step 3: Cross multiply
   2,288.88x = 3,433.14 × 728.82
4. Step 4: Simplify right side
   2,288.88x = 2,502,123.93
5. Step 5: Solve for x
   x = 2,502,123.93/2,288.88
6. Step 6: Final answer
   x = 1,093.17