Finding the Fourth Proportional to 16,912.15, 23,348.15 and 10,199.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,912.15 : 23,348.15 = 10,199.47 : x
2. Step 2: Convert to fraction form
   16,912.15/23,348.15 = 10,199.47/x
3. Step 3: Cross multiply
   16,912.15x = 23,348.15 × 10,199.47
4. Step 4: Simplify right side
   16,912.15x = 238,138,755.48
5. Step 5: Solve for x
   x = 238,138,755.48/16,912.15
6. Step 6: Final answer
   x = 14,080.93