Finding the Fourth Proportional to 2,250.24, 3,105.12 and 2,085.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.24 : 3,105.12 = 2,085.12 : x
2. Step 2: Convert to fraction form
   2,250.24/3,105.12 = 2,085.12/x
3. Step 3: Cross multiply
   2,250.24x = 3,105.12 × 2,085.12
4. Step 4: Simplify right side
   2,250.24x = 6,474,547.81
5. Step 5: Solve for x
   x = 6,474,547.81/2,250.24
6. Step 6: Final answer
   x = 2,877.27