Finding the Fourth Proportional to 8,904.38, 12,288.24 and 5,766.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,904.38 : 12,288.24 = 5,766.03 : x
2. Step 2: Convert to fraction form
   8,904.38/12,288.24 = 5,766.03/x
3. Step 3: Cross multiply
   8,904.38x = 12,288.24 × 5,766.03
4. Step 4: Simplify right side
   8,904.38x = 70,854,360.49
5. Step 5: Solve for x
   x = 70,854,360.49/8,904.38
6. Step 6: Final answer
   x = 7,957.25