Finding the Fourth Proportional to 13,760.29, 18,989.78 and 8,095.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,760.29 : 18,989.78 = 8,095.31 : x
2. Step 2: Convert to fraction form
   13,760.29/18,989.78 = 8,095.31/x
3. Step 3: Cross multiply
   13,760.29x = 18,989.78 × 8,095.31
4. Step 4: Simplify right side
   13,760.29x = 153,728,020.51
5. Step 5: Solve for x
   x = 153,728,020.51/13,760.29
6. Step 6: Final answer
   x = 11,171.86