Finding the Fourth Proportional to 2,607.94, 3,912.52 and 759.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.94 : 3,912.52 = 759.09 : x
2. Step 2: Convert to fraction form
   2,607.94/3,912.52 = 759.09/x
3. Step 3: Cross multiply
   2,607.94x = 3,912.52 × 759.09
4. Step 4: Simplify right side
   2,607.94x = 2,969,954.81
5. Step 5: Solve for x
   x = 2,969,954.81/2,607.94
6. Step 6: Final answer
   x = 1,138.81