Finding the Fourth Proportional to 16,015.50, 23,981.31 and 11,310.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,015.50 : 23,981.31 = 11,310.06 : x
2. Step 2: Convert to fraction form
   16,015.50/23,981.31 = 11,310.06/x
3. Step 3: Cross multiply
   16,015.50x = 23,981.31 × 11,310.06
4. Step 4: Simplify right side
   16,015.50x = 271,230,054.98
5. Step 5: Solve for x
   x = 271,230,054.98/16,015.50
6. Step 6: Final answer
   x = 16,935.47