Finding the Fourth Proportional to 16,731.70, 25,096.83 and 5,638.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,731.70 : 25,096.83 = 5,638.35 : x
2. Step 2: Convert to fraction form
   16,731.70/25,096.83 = 5,638.35/x
3. Step 3: Cross multiply
   16,731.70x = 25,096.83 × 5,638.35
4. Step 4: Simplify right side
   16,731.70x = 141,504,711.43
5. Step 5: Solve for x
   x = 141,504,711.43/16,731.70
6. Step 6: Final answer
   x = 8,457.28