Finding the Fourth Proportional to 2,607.38, 3,911.49 and 758.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.38 : 3,911.49 = 758.25 : x
2. Step 2: Convert to fraction form
   2,607.38/3,911.49 = 758.25/x
3. Step 3: Cross multiply
   2,607.38x = 3,911.49 × 758.25
4. Step 4: Simplify right side
   2,607.38x = 2,965,887.29
5. Step 5: Solve for x
   x = 2,965,887.29/2,607.38
6. Step 6: Final answer
   x = 1,137.50