Finding the Fourth Proportional to 16,513.98, 24,771.72 and 4,827.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.98 : 24,771.72 = 4,827.20 : x
2. Step 2: Convert to fraction form
   16,513.98/24,771.72 = 4,827.20/x
3. Step 3: Cross multiply
   16,513.98x = 24,771.72 × 4,827.20
4. Step 4: Simplify right side
   16,513.98x = 119,577,941.03
5. Step 5: Solve for x
   x = 119,577,941.03/16,513.98
6. Step 6: Final answer
   x = 7,241.01