Finding the Fourth Proportional to 2,736.94, 4,105.34 and 762.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.94 : 4,105.34 = 762.56 : x
2. Step 2: Convert to fraction form
   2,736.94/4,105.34 = 762.56/x
3. Step 3: Cross multiply
   2,736.94x = 4,105.34 × 762.56
4. Step 4: Simplify right side
   2,736.94x = 3,130,568.07
5. Step 5: Solve for x
   x = 3,130,568.07/2,736.94
6. Step 6: Final answer
   x = 1,143.82