Finding the Fourth Proportional to 2,045.07, 3,066.55 and 728.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.07 : 3,066.55 = 728.33 : x
2. Step 2: Convert to fraction form
   2,045.07/3,066.55 = 728.33/x
3. Step 3: Cross multiply
   2,045.07x = 3,066.55 × 728.33
4. Step 4: Simplify right side
   2,045.07x = 2,233,443.21
5. Step 5: Solve for x
   x = 2,233,443.21/2,045.07
6. Step 6: Final answer
   x = 1,092.11