Finding the Fourth Proportional to 14,661.86, 21,994.08 and 4,131.98

Step by Step Solution

1. Step 1: Write the proportion equation
   14,661.86 : 21,994.08 = 4,131.98 : x
2. Step 2: Convert to fraction form
   14,661.86/21,994.08 = 4,131.98/x
3. Step 3: Cross multiply
   14,661.86x = 21,994.08 × 4,131.98
4. Step 4: Simplify right side
   14,661.86x = 90,879,078.93
5. Step 5: Solve for x
   x = 90,879,078.93/14,661.86
6. Step 6: Final answer
   x = 6,198.33