Finding the Fourth Proportional to 13,359.36, 20,031.62 and 5,467.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,359.36 : 20,031.62 = 5,467.42 : x
2. Step 2: Convert to fraction form
   13,359.36/20,031.62 = 5,467.42/x
3. Step 3: Cross multiply
   13,359.36x = 20,031.62 × 5,467.42
4. Step 4: Simplify right side
   13,359.36x = 109,521,279.82
5. Step 5: Solve for x
   x = 109,521,279.82/13,359.36
6. Step 6: Final answer
   x = 8,198.09