Finding the Fourth Proportional to 2,043.92, 2,820.56 and 1,112.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.92 : 2,820.56 = 1,112.40 : x
2. Step 2: Convert to fraction form
   2,043.92/2,820.56 = 1,112.40/x
3. Step 3: Cross multiply
   2,043.92x = 2,820.56 × 1,112.40
4. Step 4: Simplify right side
   2,043.92x = 3,137,590.94
5. Step 5: Solve for x
   x = 3,137,590.94/2,043.92
6. Step 6: Final answer
   x = 1,535.09