Finding the Fourth Proportional to 16,772.96, 25,157.89 and 5,678.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,772.96 : 25,157.89 = 5,678.38 : x
2. Step 2: Convert to fraction form
   16,772.96/25,157.89 = 5,678.38/x
3. Step 3: Cross multiply
   16,772.96x = 25,157.89 × 5,678.38
4. Step 4: Simplify right side
   16,772.96x = 142,856,059.42
5. Step 5: Solve for x
   x = 142,856,059.42/16,772.96
6. Step 6: Final answer
   x = 8,517.05