Finding the Fourth Proportional to 2,002.11, 2,762.94 and 1,105.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.11 : 2,762.94 = 1,105.89 : x
2. Step 2: Convert to fraction form
   2,002.11/2,762.94 = 1,105.89/x
3. Step 3: Cross multiply
   2,002.11x = 2,762.94 × 1,105.89
4. Step 4: Simplify right side
   2,002.11x = 3,055,507.72
5. Step 5: Solve for x
   x = 3,055,507.72/2,002.11
6. Step 6: Final answer
   x = 1,526.14