Finding the Fourth Proportional to 2,755.75, 4,131.27 and 906.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755.75 : 4,131.27 = 906.37 : x
2. Step 2: Convert to fraction form
   2,755.75/4,131.27 = 906.37/x
3. Step 3: Cross multiply
   2,755.75x = 4,131.27 × 906.37
4. Step 4: Simplify right side
   2,755.75x = 3,744,459.19
5. Step 5: Solve for x
   x = 3,744,459.19/2,755.75
6. Step 6: Final answer
   x = 1,358.78