Finding the Fourth Proportional to 8,903.24, 12,284.83 and 5,717.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,903.24 : 12,284.83 = 5,717.10 : x
2. Step 2: Convert to fraction form
   8,903.24/12,284.83 = 5,717.10/x
3. Step 3: Cross multiply
   8,903.24x = 12,284.83 × 5,717.10
4. Step 4: Simplify right side
   8,903.24x = 70,233,601.59
5. Step 5: Solve for x
   x = 70,233,601.59/8,903.24
6. Step 6: Final answer
   x = 7,888.54