Finding the Fourth Proportional to 51,786.72, 71,465.04 and 29,429.28

Step by Step Solution

1. Step 1: Write the proportion equation
   51,786.72 : 71,465.04 = 29,429.28 : x
2. Step 2: Convert to fraction form
   51,786.72/71,465.04 = 29,429.28/x
3. Step 3: Cross multiply
   51,786.72x = 71,465.04 × 29,429.28
4. Step 4: Simplify right side
   51,786.72x = 2,103,164,672.37
5. Step 5: Solve for x
   x = 2,103,164,672.37/51,786.72
6. Step 6: Final answer
   x = 40,612.05