Finding the Fourth Proportional to 16,869.89, 25,287.90 and 5,768.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,869.89 : 25,287.90 = 5,768.99 : x
2. Step 2: Convert to fraction form
   16,869.89/25,287.90 = 5,768.99/x
3. Step 3: Cross multiply
   16,869.89x = 25,287.90 × 5,768.99
4. Step 4: Simplify right side
   16,869.89x = 145,885,642.22
5. Step 5: Solve for x
   x = 145,885,642.22/16,869.89
6. Step 6: Final answer
   x = 8,647.69