Finding the Fourth Proportional to 2,607.33, 3,911.57 and 758.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.33 : 3,911.57 = 758.59 : x
2. Step 2: Convert to fraction form
   2,607.33/3,911.57 = 758.59/x
3. Step 3: Cross multiply
   2,607.33x = 3,911.57 × 758.59
4. Step 4: Simplify right side
   2,607.33x = 2,967,267.16
5. Step 5: Solve for x
   x = 2,967,267.16/2,607.33
6. Step 6: Final answer
   x = 1,138.05