Finding the Fourth Proportional to 23,109.72, 34,660.77 and 8,315.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,109.72 : 34,660.77 = 8,315.88 : x
2. Step 2: Convert to fraction form
   23,109.72/34,660.77 = 8,315.88/x
3. Step 3: Cross multiply
   23,109.72x = 34,660.77 × 8,315.88
4. Step 4: Simplify right side
   23,109.72x = 288,234,804.03
5. Step 5: Solve for x
   x = 288,234,804.03/23,109.72
6. Step 6: Final answer
   x = 12,472.45