Finding the Fourth Proportional to 10,875.29, 16,285.24 and 7,166.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.29 : 16,285.24 = 7,166.28 : x
2. Step 2: Convert to fraction form
   10,875.29/16,285.24 = 7,166.28/x
3. Step 3: Cross multiply
   10,875.29x = 16,285.24 × 7,166.28
4. Step 4: Simplify right side
   10,875.29x = 116,704,589.71
5. Step 5: Solve for x
   x = 116,704,589.71/10,875.29
6. Step 6: Final answer
   x = 10,731.17