Finding the Fourth Proportional to 2,317.75, 3,198.57 and 1,269.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.75 : 3,198.57 = 1,269.88 : x
2. Step 2: Convert to fraction form
   2,317.75/3,198.57 = 1,269.88/x
3. Step 3: Cross multiply
   2,317.75x = 3,198.57 × 1,269.88
4. Step 4: Simplify right side
   2,317.75x = 4,061,800.07
5. Step 5: Solve for x
   x = 4,061,800.07/2,317.75
6. Step 6: Final answer
   x = 1,752.48