Finding the Fourth Proportional to 2,755.94, 4,132.34 and 906.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755.94 : 4,132.34 = 906.55 : x
2. Step 2: Convert to fraction form
   2,755.94/4,132.34 = 906.55/x
3. Step 3: Cross multiply
   2,755.94x = 4,132.34 × 906.55
4. Step 4: Simplify right side
   2,755.94x = 3,746,189.71
5. Step 5: Solve for x
   x = 3,746,189.71/2,755.94
6. Step 6: Final answer
   x = 1,359.32