Finding the Fourth Proportional to 16,910.88, 25,370.46 and 5,817.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,910.88 : 25,370.46 = 5,817.72 : x
2. Step 2: Convert to fraction form
   16,910.88/25,370.46 = 5,817.72/x
3. Step 3: Cross multiply
   16,910.88x = 25,370.46 × 5,817.72
4. Step 4: Simplify right side
   16,910.88x = 147,598,232.55
5. Step 5: Solve for x
   x = 147,598,232.55/16,910.88
6. Step 6: Final answer
   x = 8,728.00