Finding the Fourth Proportional to 11,662.23, 17,466.03 and 8,155.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.23 : 17,466.03 = 8,155.74 : x
2. Step 2: Convert to fraction form
   11,662.23/17,466.03 = 8,155.74/x
3. Step 3: Cross multiply
   11,662.23x = 17,466.03 × 8,155.74
4. Step 4: Simplify right side
   11,662.23x = 142,448,399.51
5. Step 5: Solve for x
   x = 142,448,399.51/11,662.23
6. Step 6: Final answer
   x = 12,214.51