Finding the Fourth Proportional to 16,716.74, 23,064.50 and 10,340.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,716.74 : 23,064.50 = 10,340.25 : x
2. Step 2: Convert to fraction form
   16,716.74/23,064.50 = 10,340.25/x
3. Step 3: Cross multiply
   16,716.74x = 23,064.50 × 10,340.25
4. Step 4: Simplify right side
   16,716.74x = 238,492,644.42
5. Step 5: Solve for x
   x = 238,492,644.42/16,716.74
6. Step 6: Final answer
   x = 14,266.70