Finding the Fourth Proportional to 2,043.62, 2,820.22 and 1,112.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.62 : 2,820.22 = 1,112.12 : x
2. Step 2: Convert to fraction form
   2,043.62/2,820.22 = 1,112.12/x
3. Step 3: Cross multiply
   2,043.62x = 2,820.22 × 1,112.12
4. Step 4: Simplify right side
   2,043.62x = 3,136,423.07
5. Step 5: Solve for x
   x = 3,136,423.07/2,043.62
6. Step 6: Final answer
   x = 1,534.74