Finding the Fourth Proportional to 10,707.72, 16,039.17 and 6,792.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.72 : 16,039.17 = 6,792.72 : x
2. Step 2: Convert to fraction form
   10,707.72/16,039.17 = 6,792.72/x
3. Step 3: Cross multiply
   10,707.72x = 16,039.17 × 6,792.72
4. Step 4: Simplify right side
   10,707.72x = 108,949,590.84
5. Step 5: Solve for x
   x = 108,949,590.84/10,707.72
6. Step 6: Final answer
   x = 10,174.86