Finding the Fourth Proportional to 13,198.22, 19,797.69 and 3,837.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,198.22 : 19,797.69 = 3,837.86 : x
2. Step 2: Convert to fraction form
   13,198.22/19,797.69 = 3,837.86/x
3. Step 3: Cross multiply
   13,198.22x = 19,797.69 × 3,837.86
4. Step 4: Simplify right side
   13,198.22x = 75,980,762.54
5. Step 5: Solve for x
   x = 75,980,762.54/13,198.22
6. Step 6: Final answer
   x = 5,756.89