Finding the Fourth Proportional to 2,469.05, 3,699.30 and 1,297.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.05 : 3,699.30 = 1,297.31 : x
2. Step 2: Convert to fraction form
   2,469.05/3,699.30 = 1,297.31/x
3. Step 3: Cross multiply
   2,469.05x = 3,699.30 × 1,297.31
4. Step 4: Simplify right side
   2,469.05x = 4,799,120.39
5. Step 5: Solve for x
   x = 4,799,120.39/2,469.05
6. Step 6: Final answer
   x = 1,943.72