Finding the Fourth Proportional to 2,200.72, 3,301.19 and 1,226.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.72 : 3,301.19 = 1,226.10 : x
2. Step 2: Convert to fraction form
   2,200.72/3,301.19 = 1,226.10/x
3. Step 3: Cross multiply
   2,200.72x = 3,301.19 × 1,226.10
4. Step 4: Simplify right side
   2,200.72x = 4,047,589.06
5. Step 5: Solve for x
   x = 4,047,589.06/2,200.72
6. Step 6: Final answer
   x = 1,839.21