Finding the Fourth Proportional to 14,464.37, 19,961.81 and 8,091.55

Step by Step Solution

1. Step 1: Write the proportion equation
   14,464.37 : 19,961.81 = 8,091.55 : x
2. Step 2: Convert to fraction form
   14,464.37/19,961.81 = 8,091.55/x
3. Step 3: Cross multiply
   14,464.37x = 19,961.81 × 8,091.55
4. Step 4: Simplify right side
   14,464.37x = 161,521,983.71
5. Step 5: Solve for x
   x = 161,521,983.71/14,464.37
6. Step 6: Final answer
   x = 11,166.89