Finding the Fourth Proportional to 2,002.15, 2,762.93 and 1,105.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.15 : 2,762.93 = 1,105.90 : x
2. Step 2: Convert to fraction form
   2,002.15/2,762.93 = 1,105.90/x
3. Step 3: Cross multiply
   2,002.15x = 2,762.93 × 1,105.90
4. Step 4: Simplify right side
   2,002.15x = 3,055,504.94
5. Step 5: Solve for x
   x = 3,055,504.94/2,002.15
6. Step 6: Final answer
   x = 1,526.12