Finding the Fourth Proportional to 1,842.85, 2,759.41 and 1,111.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.85 : 2,759.41 = 1,111.42 : x
2. Step 2: Convert to fraction form
   1,842.85/2,759.41 = 1,111.42/x
3. Step 3: Cross multiply
   1,842.85x = 2,759.41 × 1,111.42
4. Step 4: Simplify right side
   1,842.85x = 3,066,863.46
5. Step 5: Solve for x
   x = 3,066,863.46/1,842.85
6. Step 6: Final answer
   x = 1,664.20