Finding the Fourth Proportional to 2,317.64, 3,198.42 and 1,269.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.64 : 3,198.42 = 1,269.76 : x
2. Step 2: Convert to fraction form
   2,317.64/3,198.42 = 1,269.76/x
3. Step 3: Cross multiply
   2,317.64x = 3,198.42 × 1,269.76
4. Step 4: Simplify right side
   2,317.64x = 4,061,225.78
5. Step 5: Solve for x
   x = 4,061,225.78/2,317.64
6. Step 6: Final answer
   x = 1,752.31