Finding the Fourth Proportional to 2,108.16, 2,909.52 and 1,269.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.16 : 2,909.52 = 1,269.18 : x
2. Step 2: Convert to fraction form
   2,108.16/2,909.52 = 1,269.18/x
3. Step 3: Cross multiply
   2,108.16x = 2,909.52 × 1,269.18
4. Step 4: Simplify right side
   2,108.16x = 3,692,704.59
5. Step 5: Solve for x
   x = 3,692,704.59/2,108.16
6. Step 6: Final answer
   x = 1,751.62