Finding the Fourth Proportional to 2,287.18, 3,162.52 and 2,250.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.18 : 3,162.52 = 2,250.12 : x
2. Step 2: Convert to fraction form
   2,287.18/3,162.52 = 2,250.12/x
3. Step 3: Cross multiply
   2,287.18x = 3,162.52 × 2,250.12
4. Step 4: Simplify right side
   2,287.18x = 7,116,049.50
5. Step 5: Solve for x
   x = 7,116,049.50/2,287.18
6. Step 6: Final answer
   x = 3,111.28