Finding the Fourth Proportional to 2,233.89, 3,351.23 and 772.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.89 : 3,351.23 = 772.71 : x
2. Step 2: Convert to fraction form
   2,233.89/3,351.23 = 772.71/x
3. Step 3: Cross multiply
   2,233.89x = 3,351.23 × 772.71
4. Step 4: Simplify right side
   2,233.89x = 2,589,525.07
5. Step 5: Solve for x
   x = 2,589,525.07/2,233.89
6. Step 6: Final answer
   x = 1,159.20