Finding the Fourth Proportional to 13,059.21, 19,588.51 and 3,198.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,059.21 : 19,588.51 = 3,198.42 : x
2. Step 2: Convert to fraction form
   13,059.21/19,588.51 = 3,198.42/x
3. Step 3: Cross multiply
   13,059.21x = 19,588.51 × 3,198.42
4. Step 4: Simplify right side
   13,059.21x = 62,652,282.15
5. Step 5: Solve for x
   x = 62,652,282.15/13,059.21
6. Step 6: Final answer
   x = 4,797.56