Finding the Fourth Proportional to 16,939.50, 23,376.51 and 10,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,939.50 : 23,376.51 = 10,315.50 : x
2. Step 2: Convert to fraction form
   16,939.50/23,376.51 = 10,315.50/x
3. Step 3: Cross multiply
   16,939.50x = 23,376.51 × 10,315.50
4. Step 4: Simplify right side
   16,939.50x = 241,140,388.91
5. Step 5: Solve for x
   x = 241,140,388.91/16,939.50
6. Step 6: Final answer
   x = 14,235.39