Finding the Fourth Proportional to 14,665.50, 20,238.48 and 8,381.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,665.50 : 20,238.48 = 8,381.52 : x
2. Step 2: Convert to fraction form
   14,665.50/20,238.48 = 8,381.52/x
3. Step 3: Cross multiply
   14,665.50x = 20,238.48 × 8,381.52
4. Step 4: Simplify right side
   14,665.50x = 169,629,224.89
5. Step 5: Solve for x
   x = 169,629,224.89/14,665.50
6. Step 6: Final answer
   x = 11,566.55