Finding the Fourth Proportional to 2,327.37, 3,490.12 and 865.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.37 : 3,490.12 = 865.72 : x
2. Step 2: Convert to fraction form
   2,327.37/3,490.12 = 865.72/x
3. Step 3: Cross multiply
   2,327.37x = 3,490.12 × 865.72
4. Step 4: Simplify right side
   2,327.37x = 3,021,466.69
5. Step 5: Solve for x
   x = 3,021,466.69/2,327.37
6. Step 6: Final answer
   x = 1,298.23