Finding the Fourth Proportional to 40,404.91, 60,611.47 and 10,825.74

Step by Step Solution

1. Step 1: Write the proportion equation
   40,404.91 : 60,611.47 = 10,825.74 : x
2. Step 2: Convert to fraction form
   40,404.91/60,611.47 = 10,825.74/x
3. Step 3: Cross multiply
   40,404.91x = 60,611.47 × 10,825.74
4. Step 4: Simplify right side
   40,404.91x = 656,164,015.24
5. Step 5: Solve for x
   x = 656,164,015.24/40,404.91
6. Step 6: Final answer
   x = 16,239.71