Finding the Fourth Proportional to 2,028.32, 3,040.65 and 729.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.32 : 3,040.65 = 729.49 : x
2. Step 2: Convert to fraction form
   2,028.32/3,040.65 = 729.49/x
3. Step 3: Cross multiply
   2,028.32x = 3,040.65 × 729.49
4. Step 4: Simplify right side
   2,028.32x = 2,218,123.77
5. Step 5: Solve for x
   x = 2,218,123.77/2,028.32
6. Step 6: Final answer
   x = 1,093.58