Finding the Fourth Proportional to 2,408.27, 3,612.29 and 764.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,408.27 : 3,612.29 = 764.82 : x
2. Step 2: Convert to fraction form
   2,408.27/3,612.29 = 764.82/x
3. Step 3: Cross multiply
   2,408.27x = 3,612.29 × 764.82
4. Step 4: Simplify right side
   2,408.27x = 2,762,747.81
5. Step 5: Solve for x
   x = 2,762,747.81/2,408.27
6. Step 6: Final answer
   x = 1,147.19