Finding the Fourth Proportional to 2,327.52, 3,490.52 and 866.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.52 : 3,490.52 = 866.28 : x
2. Step 2: Convert to fraction form
   2,327.52/3,490.52 = 866.28/x
3. Step 3: Cross multiply
   2,327.52x = 3,490.52 × 866.28
4. Step 4: Simplify right side
   2,327.52x = 3,023,767.67
5. Step 5: Solve for x
   x = 3,023,767.67/2,327.52
6. Step 6: Final answer
   x = 1,299.14