Finding the Fourth Proportional to 131,367.37, 197,078.72 and 42,613.94

Step by Step Solution

1. Step 1: Write the proportion equation
   131,367.37 : 197,078.72 = 42,613.94 : x
2. Step 2: Convert to fraction form
   131,367.37/197,078.72 = 42,613.94/x
3. Step 3: Cross multiply
   131,367.37x = 197,078.72 × 42,613.94
4. Step 4: Simplify right side
   131,367.37x = 8,398,300,855.89
5. Step 5: Solve for x
   x = 8,398,300,855.89/131,367.37
6. Step 6: Final answer
   x = 63,929.89