Finding the Fourth Proportional to 2,043.97, 2,820.69 and 1,112.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.97 : 2,820.69 = 1,112.47 : x
2. Step 2: Convert to fraction form
   2,043.97/2,820.69 = 1,112.47/x
3. Step 3: Cross multiply
   2,043.97x = 2,820.69 × 1,112.47
4. Step 4: Simplify right side
   2,043.97x = 3,137,925.95
5. Step 5: Solve for x
   x = 3,137,925.95/2,043.97
6. Step 6: Final answer
   x = 1,535.21