Finding the Fourth Proportional to 16,224.78, 24,328.49 and 4,978.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,224.78 : 24,328.49 = 4,978.14 : x
2. Step 2: Convert to fraction form
   16,224.78/24,328.49 = 4,978.14/x
3. Step 3: Cross multiply
   16,224.78x = 24,328.49 × 4,978.14
4. Step 4: Simplify right side
   16,224.78x = 121,110,604.32
5. Step 5: Solve for x
   x = 121,110,604.32/16,224.78
6. Step 6: Final answer
   x = 7,464.55