Finding the Fourth Proportional to 13,336.38, 20,016.71 and 7,101.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,336.38 : 20,016.71 = 7,101.62 : x
2. Step 2: Convert to fraction form
   13,336.38/20,016.71 = 7,101.62/x
3. Step 3: Cross multiply
   13,336.38x = 20,016.71 × 7,101.62
4. Step 4: Simplify right side
   13,336.38x = 142,150,932.48
5. Step 5: Solve for x
   x = 142,150,932.48/13,336.38
6. Step 6: Final answer
   x = 10,658.88