Finding the Fourth Proportional to 16,970.68, 23,401.86 and 10,255

Step by Step Solution

1. Step 1: Write the proportion equation
   16,970.68 : 23,401.86 = 10,255 : x
2. Step 2: Convert to fraction form
   16,970.68/23,401.86 = 10,255/x
3. Step 3: Cross multiply
   16,970.68x = 23,401.86 × 10,255
4. Step 4: Simplify right side
   16,970.68x = 239,986,074.30
5. Step 5: Solve for x
   x = 239,986,074.30/16,970.68
6. Step 6: Final answer
   x = 14,141.22