Finding the Fourth Proportional to 11,892.27, 17,815.37 and 9,150.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,892.27 : 17,815.37 = 9,150.51 : x
2. Step 2: Convert to fraction form
   11,892.27/17,815.37 = 9,150.51/x
3. Step 3: Cross multiply
   11,892.27x = 17,815.37 × 9,150.51
4. Step 4: Simplify right side
   11,892.27x = 163,019,675.59
5. Step 5: Solve for x
   x = 163,019,675.59/11,892.27
6. Step 6: Final answer
   x = 13,708.04