Finding the Fourth Proportional to 16,724.88, 25,091.16 and 5,631.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,724.88 : 25,091.16 = 5,631.27 : x
2. Step 2: Convert to fraction form
   16,724.88/25,091.16 = 5,631.27/x
3. Step 3: Cross multiply
   16,724.88x = 25,091.16 × 5,631.27
4. Step 4: Simplify right side
   16,724.88x = 141,295,096.57
5. Step 5: Solve for x
   x = 141,295,096.57/16,724.88
6. Step 6: Final answer
   x = 8,448.20