Finding the Fourth Proportional to 11,165.92, 16,734.72 and 10,875.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,165.92 : 16,734.72 = 10,875.20 : x
2. Step 2: Convert to fraction form
   11,165.92/16,734.72 = 10,875.20/x
3. Step 3: Cross multiply
   11,165.92x = 16,734.72 × 10,875.20
4. Step 4: Simplify right side
   11,165.92x = 181,993,426.94
5. Step 5: Solve for x
   x = 181,993,426.94/11,165.92
6. Step 6: Final answer
   x = 16,299.01