Finding the Fourth Proportional to 16,879.86, 25,314.32 and 7,993.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,879.86 : 25,314.32 = 7,993.82 : x
2. Step 2: Convert to fraction form
   16,879.86/25,314.32 = 7,993.82/x
3. Step 3: Cross multiply
   16,879.86x = 25,314.32 × 7,993.82
4. Step 4: Simplify right side
   16,879.86x = 202,358,200.77
5. Step 5: Solve for x
   x = 202,358,200.77/16,879.86
6. Step 6: Final answer
   x = 11,988.14