Finding the Fourth Proportional to 29,150.72, 40,217.91 and 16,401.87

Step by Step Solution

1. Step 1: Write the proportion equation
   29,150.72 : 40,217.91 = 16,401.87 : x
2. Step 2: Convert to fraction form
   29,150.72/40,217.91 = 16,401.87/x
3. Step 3: Cross multiply
   29,150.72x = 40,217.91 × 16,401.87
4. Step 4: Simplify right side
   29,150.72x = 659,648,931.49
5. Step 5: Solve for x
   x = 659,648,931.49/29,150.72
6. Step 6: Final answer
   x = 22,628.91