Finding the Fourth Proportional to 85,141.29, 117,515.31 and 49,351.05

Step by Step Solution

1. Step 1: Write the proportion equation
   85,141.29 : 117,515.31 = 49,351.05 : x
2. Step 2: Convert to fraction form
   85,141.29/117,515.31 = 49,351.05/x
3. Step 3: Cross multiply
   85,141.29x = 117,515.31 × 49,351.05
4. Step 4: Simplify right side
   85,141.29x = 5,799,503,939.58
5. Step 5: Solve for x
   x = 5,799,503,939.58/85,141.29
6. Step 6: Final answer
   x = 68,116.23