Finding the Fourth Proportional to 14,581.56, 20,121.72 and 8,293.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,581.56 : 20,121.72 = 8,293.50 : x
2. Step 2: Convert to fraction form
   14,581.56/20,121.72 = 8,293.50/x
3. Step 3: Cross multiply
   14,581.56x = 20,121.72 × 8,293.50
4. Step 4: Simplify right side
   14,581.56x = 166,879,484.82
5. Step 5: Solve for x
   x = 166,879,484.82/14,581.56
6. Step 6: Final answer
   x = 11,444.56