Finding the Fourth Proportional to 11,142.72, 16,713.73 and 4,563.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,142.72 : 16,713.73 = 4,563.96 : x
2. Step 2: Convert to fraction form
   11,142.72/16,713.73 = 4,563.96/x
3. Step 3: Cross multiply
   11,142.72x = 16,713.73 × 4,563.96
4. Step 4: Simplify right side
   11,142.72x = 76,280,738.20
5. Step 5: Solve for x
   x = 76,280,738.20/11,142.72
6. Step 6: Final answer
   x = 6,845.79