Finding the Fourth Proportional to 23,160.72, 34,739.32 and 8,369.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,160.72 : 34,739.32 = 8,369.68 : x
2. Step 2: Convert to fraction form
   23,160.72/34,739.32 = 8,369.68/x
3. Step 3: Cross multiply
   23,160.72x = 34,739.32 × 8,369.68
4. Step 4: Simplify right side
   23,160.72x = 290,756,991.82
5. Step 5: Solve for x
   x = 290,756,991.82/23,160.72
6. Step 6: Final answer
   x = 12,553.88