Finding the Fourth Proportional to 2,317.51, 3,198.05 and 1,269.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.51 : 3,198.05 = 1,269.55 : x
2. Step 2: Convert to fraction form
   2,317.51/3,198.05 = 1,269.55/x
3. Step 3: Cross multiply
   2,317.51x = 3,198.05 × 1,269.55
4. Step 4: Simplify right side
   2,317.51x = 4,060,078.03
5. Step 5: Solve for x
   x = 4,060,078.03/2,317.51
6. Step 6: Final answer
   x = 1,751.91