Finding the Fourth Proportional to 2,607.62, 3,910.55 and 758.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.62 : 3,910.55 = 758.25 : x
2. Step 2: Convert to fraction form
   2,607.62/3,910.55 = 758.25/x
3. Step 3: Cross multiply
   2,607.62x = 3,910.55 × 758.25
4. Step 4: Simplify right side
   2,607.62x = 2,965,170.75
5. Step 5: Solve for x
   x = 2,965,170.75/2,607.62
6. Step 6: Final answer
   x = 1,137.12