Finding the Fourth Proportional to 16,054.59, 22,154.82 and 8,980.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,054.59 : 22,154.82 = 8,980.86 : x
2. Step 2: Convert to fraction form
   16,054.59/22,154.82 = 8,980.86/x
3. Step 3: Cross multiply
   16,054.59x = 22,154.82 × 8,980.86
4. Step 4: Simplify right side
   16,054.59x = 198,969,336.75
5. Step 5: Solve for x
   x = 198,969,336.75/16,054.59
6. Step 6: Final answer
   x = 12,393.30