Finding the Fourth Proportional to 14,544.80, 21,810.72 and 4,154.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,544.80 : 21,810.72 = 4,154.12 : x
2. Step 2: Convert to fraction form
   14,544.80/21,810.72 = 4,154.12/x
3. Step 3: Cross multiply
   14,544.80x = 21,810.72 × 4,154.12
4. Step 4: Simplify right side
   14,544.80x = 90,604,348.17
5. Step 5: Solve for x
   x = 90,604,348.17/14,544.80
6. Step 6: Final answer
   x = 6,229.33