Finding the Fourth Proportional to 16,953.50, 23,397.48 and 9,879.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,953.50 : 23,397.48 = 9,879.47 : x
2. Step 2: Convert to fraction form
   16,953.50/23,397.48 = 9,879.47/x
3. Step 3: Cross multiply
   16,953.50x = 23,397.48 × 9,879.47
4. Step 4: Simplify right side
   16,953.50x = 231,154,700.27
5. Step 5: Solve for x
   x = 231,154,700.27/16,953.50
6. Step 6: Final answer
   x = 13,634.63