Finding the Fourth Proportional to 13,198.83, 19,793.42 and 3,836.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,198.83 : 19,793.42 = 3,836.31 : x
2. Step 2: Convert to fraction form
   13,198.83/19,793.42 = 3,836.31/x
3. Step 3: Cross multiply
   13,198.83x = 19,793.42 × 3,836.31
4. Step 4: Simplify right side
   13,198.83x = 75,933,675.90
5. Step 5: Solve for x
   x = 75,933,675.90/13,198.83
6. Step 6: Final answer
   x = 5,753.06