Finding the Fourth Proportional to 2,150.72, 3,226.39 and 763.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.72 : 3,226.39 = 763.94 : x
2. Step 2: Convert to fraction form
   2,150.72/3,226.39 = 763.94/x
3. Step 3: Cross multiply
   2,150.72x = 3,226.39 × 763.94
4. Step 4: Simplify right side
   2,150.72x = 2,464,752.24
5. Step 5: Solve for x
   x = 2,464,752.24/2,150.72
6. Step 6: Final answer
   x = 1,146.02