Finding the Fourth Proportional to 57,056.14, 85,166.18 and 50,322.71

Step by Step Solution

1. Step 1: Write the proportion equation
   57,056.14 : 85,166.18 = 50,322.71 : x
2. Step 2: Convert to fraction form
   57,056.14/85,166.18 = 50,322.71/x
3. Step 3: Cross multiply
   57,056.14x = 85,166.18 × 50,322.71
4. Step 4: Simplify right side
   57,056.14x = 4,285,793,297.32
5. Step 5: Solve for x
   x = 4,285,793,297.32/57,056.14
6. Step 6: Final answer
   x = 75,115.37