Finding the Fourth Proportional to 2,109, 2,910.27 and 1,269.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109 : 2,910.27 = 1,269.75 : x
2. Step 2: Convert to fraction form
   2,109/2,910.27 = 1,269.75/x
3. Step 3: Cross multiply
   2,109x = 2,910.27 × 1,269.75
4. Step 4: Simplify right side
   2,109x = 3,695,315.33
5. Step 5: Solve for x
   x = 3,695,315.33/2,109
6. Step 6: Final answer
   x = 1,752.16