Finding the Fourth Proportional to 16,194.20, 22,329.56 and 13,200.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,194.20 : 22,329.56 = 13,200.74 : x
2. Step 2: Convert to fraction form
   16,194.20/22,329.56 = 13,200.74/x
3. Step 3: Cross multiply
   16,194.20x = 22,329.56 × 13,200.74
4. Step 4: Simplify right side
   16,194.20x = 294,766,538.22
5. Step 5: Solve for x
   x = 294,766,538.22/16,194.20
6. Step 6: Final answer
   x = 18,201.99