Finding the Fourth Proportional to 2,755.88, 4,133.52 and 808.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755.88 : 4,133.52 = 808.10 : x
2. Step 2: Convert to fraction form
   2,755.88/4,133.52 = 808.10/x
3. Step 3: Cross multiply
   2,755.88x = 4,133.52 × 808.10
4. Step 4: Simplify right side
   2,755.88x = 3,340,297.51
5. Step 5: Solve for x
   x = 3,340,297.51/2,755.88
6. Step 6: Final answer
   x = 1,212.06