Finding the Fourth Proportional to 16,731.85, 25,096.41 and 5,638.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,731.85 : 25,096.41 = 5,638.30 : x
2. Step 2: Convert to fraction form
   16,731.85/25,096.41 = 5,638.30/x
3. Step 3: Cross multiply
   16,731.85x = 25,096.41 × 5,638.30
4. Step 4: Simplify right side
   16,731.85x = 141,501,088.50
5. Step 5: Solve for x
   x = 141,501,088.50/16,731.85
6. Step 6: Final answer
   x = 8,456.99