Finding the Fourth Proportional to 142,609.37, 213,901.25 and 42,791.85

Step by Step Solution

1. Step 1: Write the proportion equation
   142,609.37 : 213,901.25 = 42,791.85 : x
2. Step 2: Convert to fraction form
   142,609.37/213,901.25 = 42,791.85/x
3. Step 3: Cross multiply
   142,609.37x = 213,901.25 × 42,791.85
4. Step 4: Simplify right side
   142,609.37x = 9,153,229,990.85
5. Step 5: Solve for x
   x = 9,153,229,990.85/142,609.37
6. Step 6: Final answer
   x = 64,183.93