Finding the Fourth Proportional to 11,007.50, 16,513.77 and 4,768.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,007.50 : 16,513.77 = 4,768.55 : x
2. Step 2: Convert to fraction form
   11,007.50/16,513.77 = 4,768.55/x
3. Step 3: Cross multiply
   11,007.50x = 16,513.77 × 4,768.55
4. Step 4: Simplify right side
   11,007.50x = 78,746,828.06
5. Step 5: Solve for x
   x = 78,746,828.06/11,007.50
6. Step 6: Final answer
   x = 7,153.92