Finding the Fourth Proportional to 16,910.15, 23,345.39 and 10,197.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,910.15 : 23,345.39 = 10,197.47 : x
2. Step 2: Convert to fraction form
   16,910.15/23,345.39 = 10,197.47/x
3. Step 3: Cross multiply
   16,910.15x = 23,345.39 × 10,197.47
4. Step 4: Simplify right side
   16,910.15x = 238,063,921.54
5. Step 5: Solve for x
   x = 238,063,921.54/16,910.15
6. Step 6: Final answer
   x = 14,078.17