Finding the Fourth Proportional to 40,438.78, 60,658.71 and 17,081.62

Step by Step Solution

1. Step 1: Write the proportion equation
   40,438.78 : 60,658.71 = 17,081.62 : x
2. Step 2: Convert to fraction form
   40,438.78/60,658.71 = 17,081.62/x
3. Step 3: Cross multiply
   40,438.78x = 60,658.71 × 17,081.62
4. Step 4: Simplify right side
   40,438.78x = 1,036,149,033.91
5. Step 5: Solve for x
   x = 1,036,149,033.91/40,438.78
6. Step 6: Final answer
   x = 25,622.66