Finding the Fourth Proportional to 2,150.92, 3,224.64 and 763.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.92 : 3,224.64 = 763.49 : x
2. Step 2: Convert to fraction form
   2,150.92/3,224.64 = 763.49/x
3. Step 3: Cross multiply
   2,150.92x = 3,224.64 × 763.49
4. Step 4: Simplify right side
   2,150.92x = 2,461,968.89
5. Step 5: Solve for x
   x = 2,461,968.89/2,150.92
6. Step 6: Final answer
   x = 1,144.61