Finding the Fourth Proportional to 2,606.86, 3,910.14 and 757.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.86 : 3,910.14 = 757.94 : x
2. Step 2: Convert to fraction form
   2,606.86/3,910.14 = 757.94/x
3. Step 3: Cross multiply
   2,606.86x = 3,910.14 × 757.94
4. Step 4: Simplify right side
   2,606.86x = 2,963,651.51
5. Step 5: Solve for x
   x = 2,963,651.51/2,606.86
6. Step 6: Final answer
   x = 1,136.87