Finding the Fourth Proportional to 11,116.72, 16,688.22 and 4,548.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,116.72 : 16,688.22 = 4,548.16 : x
2. Step 2: Convert to fraction form
   11,116.72/16,688.22 = 4,548.16/x
3. Step 3: Cross multiply
   11,116.72x = 16,688.22 × 4,548.16
4. Step 4: Simplify right side
   11,116.72x = 75,900,694.68
5. Step 5: Solve for x
   x = 75,900,694.68/11,116.72
6. Step 6: Final answer
   x = 6,827.62