Finding the Fourth Proportional to 2,345.81, 3,237.27 and 1,297.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.81 : 3,237.27 = 1,297.89 : x
2. Step 2: Convert to fraction form
   2,345.81/3,237.27 = 1,297.89/x
3. Step 3: Cross multiply
   2,345.81x = 3,237.27 × 1,297.89
4. Step 4: Simplify right side
   2,345.81x = 4,201,613.87
5. Step 5: Solve for x
   x = 4,201,613.87/2,345.81
6. Step 6: Final answer
   x = 1,791.11