Finding the Fourth Proportional to 51,785.60, 71,466.71 and 29,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   51,785.60 : 71,466.71 = 29,131.72 : x
2. Step 2: Convert to fraction form
   51,785.60/71,466.71 = 29,131.72/x
3. Step 3: Cross multiply
   51,785.60x = 71,466.71 × 29,131.72
4. Step 4: Simplify right side
   51,785.60x = 2,081,947,860.72
5. Step 5: Solve for x
   x = 2,081,947,860.72/51,785.60
6. Step 6: Final answer
   x = 40,203.22