Finding the Fourth Proportional to 14,500.45, 21,747.28 and 8,178.06

Step by Step Solution

1. Step 1: Write the proportion equation
   14,500.45 : 21,747.28 = 8,178.06 : x
2. Step 2: Convert to fraction form
   14,500.45/21,747.28 = 8,178.06/x
3. Step 3: Cross multiply
   14,500.45x = 21,747.28 × 8,178.06
4. Step 4: Simplify right side
   14,500.45x = 177,850,485.86
5. Step 5: Solve for x
   x = 177,850,485.86/14,500.45
6. Step 6: Final answer
   x = 12,265.17