Finding the Fourth Proportional to 16,915.50, 25,375.67 and 5,229.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,915.50 : 25,375.67 = 5,229.63 : x
2. Step 2: Convert to fraction form
   16,915.50/25,375.67 = 5,229.63/x
3. Step 3: Cross multiply
   16,915.50x = 25,375.67 × 5,229.63
4. Step 4: Simplify right side
   16,915.50x = 132,705,365.10
5. Step 5: Solve for x
   x = 132,705,365.10/16,915.50
6. Step 6: Final answer
   x = 7,845.19