Finding the Fourth Proportional to 2,327.37, 3,490.37 and 866.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.37 : 3,490.37 = 866.17 : x
2. Step 2: Convert to fraction form
   2,327.37/3,490.37 = 866.17/x
3. Step 3: Cross multiply
   2,327.37x = 3,490.37 × 866.17
4. Step 4: Simplify right side
   2,327.37x = 3,023,253.78
5. Step 5: Solve for x
   x = 3,023,253.78/2,327.37
6. Step 6: Final answer
   x = 1,299.00