Finding the Fourth Proportional to 8,870.24, 12,226.68 and 7,383.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.24 : 12,226.68 = 7,383.08 : x
2. Step 2: Convert to fraction form
   8,870.24/12,226.68 = 7,383.08/x
3. Step 3: Cross multiply
   8,870.24x = 12,226.68 × 7,383.08
4. Step 4: Simplify right side
   8,870.24x = 90,270,556.57
5. Step 5: Solve for x
   x = 90,270,556.57/8,870.24
6. Step 6: Final answer
   x = 10,176.79