Finding the Fourth Proportional to 2,109.41, 2,910.06 and 1,269.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.41 : 2,910.06 = 1,269.64 : x
2. Step 2: Convert to fraction form
   2,109.41/2,910.06 = 1,269.64/x
3. Step 3: Cross multiply
   2,109.41x = 2,910.06 × 1,269.64
4. Step 4: Simplify right side
   2,109.41x = 3,694,732.22
5. Step 5: Solve for x
   x = 3,694,732.22/2,109.41
6. Step 6: Final answer
   x = 1,751.55