Finding the Fourth Proportional to 2,755.59, 4,132.84 and 807.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755.59 : 4,132.84 = 807.27 : x
2. Step 2: Convert to fraction form
   2,755.59/4,132.84 = 807.27/x
3. Step 3: Cross multiply
   2,755.59x = 4,132.84 × 807.27
4. Step 4: Simplify right side
   2,755.59x = 3,336,317.75
5. Step 5: Solve for x
   x = 3,336,317.75/2,755.59
6. Step 6: Final answer
   x = 1,210.75