Finding the Fourth Proportional to 142,453.62, 213,691.67 and 47,684.37

Step by Step Solution

1. Step 1: Write the proportion equation
   142,453.62 : 213,691.67 = 47,684.37 : x
2. Step 2: Convert to fraction form
   142,453.62/213,691.67 = 47,684.37/x
3. Step 3: Cross multiply
   142,453.62x = 213,691.67 × 47,684.37
4. Step 4: Simplify right side
   142,453.62x = 10,189,752,658.20
5. Step 5: Solve for x
   x = 10,189,752,658.20/142,453.62
6. Step 6: Final answer
   x = 71,530.32