Finding the Fourth Proportional to 2,317.68, 3,198.38 and 1,269.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.68 : 3,198.38 = 1,269.74 : x
2. Step 2: Convert to fraction form
   2,317.68/3,198.38 = 1,269.74/x
3. Step 3: Cross multiply
   2,317.68x = 3,198.38 × 1,269.74
4. Step 4: Simplify right side
   2,317.68x = 4,061,111.02
5. Step 5: Solve for x
   x = 4,061,111.02/2,317.68
6. Step 6: Final answer
   x = 1,752.23