Finding the Fourth Proportional to 2,887.20, 3,981.83 and 2,327.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,887.20 : 3,981.83 = 2,327.49 : x
2. Step 2: Convert to fraction form
   2,887.20/3,981.83 = 2,327.49/x
3. Step 3: Cross multiply
   2,887.20x = 3,981.83 × 2,327.49
4. Step 4: Simplify right side
   2,887.20x = 9,267,657.87
5. Step 5: Solve for x
   x = 9,267,657.87/2,887.20
6. Step 6: Final answer
   x = 3,209.91