Finding the Fourth Proportional to 13,452.82, 20,171.03 and 5,123.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,452.82 : 20,171.03 = 5,123.94 : x
2. Step 2: Convert to fraction form
   13,452.82/20,171.03 = 5,123.94/x
3. Step 3: Cross multiply
   13,452.82x = 20,171.03 × 5,123.94
4. Step 4: Simplify right side
   13,452.82x = 103,355,147.46
5. Step 5: Solve for x
   x = 103,355,147.46/13,452.82
6. Step 6: Final answer
   x = 7,682.79