Finding the Fourth Proportional to 1,843.36, 2,760.78 and 1,111.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843.36 : 2,760.78 = 1,111.32 : x
2. Step 2: Convert to fraction form
   1,843.36/2,760.78 = 1,111.32/x
3. Step 3: Cross multiply
   1,843.36x = 2,760.78 × 1,111.32
4. Step 4: Simplify right side
   1,843.36x = 3,068,114.20
5. Step 5: Solve for x
   x = 3,068,114.20/1,843.36
6. Step 6: Final answer
   x = 1,664.42