Finding the Fourth Proportional to 8,859.27, 13,287.50 and 2,285.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,859.27 : 13,287.50 = 2,285.22 : x
2. Step 2: Convert to fraction form
   8,859.27/13,287.50 = 2,285.22/x
3. Step 3: Cross multiply
   8,859.27x = 13,287.50 × 2,285.22
4. Step 4: Simplify right side
   8,859.27x = 30,364,849.32
5. Step 5: Solve for x
   x = 30,364,849.32/8,859.27
6. Step 6: Final answer
   x = 3,427.47