Finding the Fourth Proportional to 13,650.98, 20,475.47 and 5,329.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,650.98 : 20,475.47 = 5,329.42 : x
2. Step 2: Convert to fraction form
   13,650.98/20,475.47 = 5,329.42/x
3. Step 3: Cross multiply
   13,650.98x = 20,475.47 × 5,329.42
4. Step 4: Simplify right side
   13,650.98x = 109,122,379.33
5. Step 5: Solve for x
   x = 109,122,379.33/13,650.98
6. Step 6: Final answer
   x = 7,993.74