Finding the Fourth Proportional to 2,345.91, 3,237.41 and 1,297.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.91 : 3,237.41 = 1,297.98 : x
2. Step 2: Convert to fraction form
   2,345.91/3,237.41 = 1,297.98/x
3. Step 3: Cross multiply
   2,345.91x = 3,237.41 × 1,297.98
4. Step 4: Simplify right side
   2,345.91x = 4,202,086.94
5. Step 5: Solve for x
   x = 4,202,086.94/2,345.91
6. Step 6: Final answer
   x = 1,791.24