Finding the Fourth Proportional to 85,057.86, 117,372.22 and 49,250.29

Step by Step Solution

1. Step 1: Write the proportion equation
   85,057.86 : 117,372.22 = 49,250.29 : x
2. Step 2: Convert to fraction form
   85,057.86/117,372.22 = 49,250.29/x
3. Step 3: Cross multiply
   85,057.86x = 117,372.22 × 49,250.29
4. Step 4: Simplify right side
   85,057.86x = 5,780,615,456.39
5. Step 5: Solve for x
   x = 5,780,615,456.39/85,057.86
6. Step 6: Final answer
   x = 67,960.98