Finding the Fourth Proportional to 2,317.91, 3,198.71 and 1,269.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.91 : 3,198.71 = 1,269.98 : x
2. Step 2: Convert to fraction form
   2,317.91/3,198.71 = 1,269.98/x
3. Step 3: Cross multiply
   2,317.91x = 3,198.71 × 1,269.98
4. Step 4: Simplify right side
   2,317.91x = 4,062,281.73
5. Step 5: Solve for x
   x = 4,062,281.73/2,317.91
6. Step 6: Final answer
   x = 1,752.56