Finding the Fourth Proportional to 85,141.98, 117,515.61 and 49,351.86

Step by Step Solution

1. Step 1: Write the proportion equation
   85,141.98 : 117,515.61 = 49,351.86 : x
2. Step 2: Convert to fraction form
   85,141.98/117,515.61 = 49,351.86/x
3. Step 3: Cross multiply
   85,141.98x = 117,515.61 × 49,351.86
4. Step 4: Simplify right side
   85,141.98x = 5,799,613,932.53
5. Step 5: Solve for x
   x = 5,799,613,932.53/85,141.98
6. Step 6: Final answer
   x = 68,116.97