Finding the Fourth Proportional to 10,165.91, 14,045.00 and 9,612.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,165.91 : 14,045.00 = 9,612.27 : x
2. Step 2: Convert to fraction form
   10,165.91/14,045.00 = 9,612.27/x
3. Step 3: Cross multiply
   10,165.91x = 14,045.00 × 9,612.27
4. Step 4: Simplify right side
   10,165.91x = 135,004,284.09
5. Step 5: Solve for x
   x = 135,004,284.09/10,165.91
6. Step 6: Final answer
   x = 13,280.10