Finding the Fourth Proportional to 10,734.09, 16,105.77 and 5,807.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,734.09 : 16,105.77 = 5,807.21 : x
2. Step 2: Convert to fraction form
   10,734.09/16,105.77 = 5,807.21/x
3. Step 3: Cross multiply
   10,734.09x = 16,105.77 × 5,807.21
4. Step 4: Simplify right side
   10,734.09x = 93,529,508.07
5. Step 5: Solve for x
   x = 93,529,508.07/10,734.09
6. Step 6: Final answer
   x = 8,713.32