Finding the Fourth Proportional to 2,254.29, 3,380.89 and 773.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.29 : 3,380.89 = 773.34 : x
2. Step 2: Convert to fraction form
   2,254.29/3,380.89 = 773.34/x
3. Step 3: Cross multiply
   2,254.29x = 3,380.89 × 773.34
4. Step 4: Simplify right side
   2,254.29x = 2,614,577.47
5. Step 5: Solve for x
   x = 2,614,577.47/2,254.29
6. Step 6: Final answer
   x = 1,159.82