Finding the Fourth Proportional to 16,728.50, 23,088.93 and 10,015.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,728.50 : 23,088.93 = 10,015.63 : x
2. Step 2: Convert to fraction form
   16,728.50/23,088.93 = 10,015.63/x
3. Step 3: Cross multiply
   16,728.50x = 23,088.93 × 10,015.63
4. Step 4: Simplify right side
   16,728.50x = 231,250,179.98
5. Step 5: Solve for x
   x = 231,250,179.98/16,728.50
6. Step 6: Final answer
   x = 13,823.72