Finding the Fourth Proportional to 2,775.90, 3,822.96 and 2,767.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,775.90 : 3,822.96 = 2,767.25 : x
2. Step 2: Convert to fraction form
   2,775.90/3,822.96 = 2,767.25/x
3. Step 3: Cross multiply
   2,775.90x = 3,822.96 × 2,767.25
4. Step 4: Simplify right side
   2,775.90x = 10,579,066.95
5. Step 5: Solve for x
   x = 10,579,066.95/2,775.90
6. Step 6: Final answer
   x = 3,811.04