Finding the Fourth Proportional to 2,043.75, 2,820.38 and 1,112.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.75 : 2,820.38 = 1,112.25 : x
2. Step 2: Convert to fraction form
   2,043.75/2,820.38 = 1,112.25/x
3. Step 3: Cross multiply
   2,043.75x = 2,820.38 × 1,112.25
4. Step 4: Simplify right side
   2,043.75x = 3,136,962.09
5. Step 5: Solve for x
   x = 3,136,962.09/2,043.75
6. Step 6: Final answer
   x = 1,534.91