Finding the Fourth Proportional to 16,912.86, 25,363.04 and 5,816.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,912.86 : 25,363.04 = 5,816.49 : x
2. Step 2: Convert to fraction form
   16,912.86/25,363.04 = 5,816.49/x
3. Step 3: Cross multiply
   16,912.86x = 25,363.04 × 5,816.49
4. Step 4: Simplify right side
   16,912.86x = 147,523,839.45
5. Step 5: Solve for x
   x = 147,523,839.45/16,912.86
6. Step 6: Final answer
   x = 8,722.58