Finding the Fourth Proportional to 87,613.91, 131,431.79 and 34,299

Step by Step Solution

1. Step 1: Write the proportion equation
   87,613.91 : 131,431.79 = 34,299 : x
2. Step 2: Convert to fraction form
   87,613.91/131,431.79 = 34,299/x
3. Step 3: Cross multiply
   87,613.91x = 131,431.79 × 34,299
4. Step 4: Simplify right side
   87,613.91x = 4,507,978,793.72
5. Step 5: Solve for x
   x = 4,507,978,793.72/87,613.91
6. Step 6: Final answer
   x = 51,452.78