Finding the Fourth Proportional to 16,016.49, 24,027.82 and 4,921.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,016.49 : 24,027.82 = 4,921.21 : x
2. Step 2: Convert to fraction form
   16,016.49/24,027.82 = 4,921.21/x
3. Step 3: Cross multiply
   16,016.49x = 24,027.82 × 4,921.21
4. Step 4: Simplify right side
   16,016.49x = 118,245,948.06
5. Step 5: Solve for x
   x = 118,245,948.06/16,016.49
6. Step 6: Final answer
   x = 7,382.76