Finding the Fourth Proportional to 2,085.60, 3,114.33 and 1,812.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.60 : 3,114.33 = 1,812.36 : x
2. Step 2: Convert to fraction form
   2,085.60/3,114.33 = 1,812.36/x
3. Step 3: Cross multiply
   2,085.60x = 3,114.33 × 1,812.36
4. Step 4: Simplify right side
   2,085.60x = 5,644,287.12
5. Step 5: Solve for x
   x = 5,644,287.12/2,085.60
6. Step 6: Final answer
   x = 2,706.31