Finding the Fourth Proportional to 2,606.92, 3,910.56 and 758.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.92 : 3,910.56 = 758.05 : x
2. Step 2: Convert to fraction form
   2,606.92/3,910.56 = 758.05/x
3. Step 3: Cross multiply
   2,606.92x = 3,910.56 × 758.05
4. Step 4: Simplify right side
   2,606.92x = 2,964,400.01
5. Step 5: Solve for x
   x = 2,964,400.01/2,606.92
6. Step 6: Final answer
   x = 1,137.13