Finding the Fourth Proportional to 85,834.27, 118,439.31 and 49,996.63

Step by Step Solution

1. Step 1: Write the proportion equation
   85,834.27 : 118,439.31 = 49,996.63 : x
2. Step 2: Convert to fraction form
   85,834.27/118,439.31 = 49,996.63/x
3. Step 3: Cross multiply
   85,834.27x = 118,439.31 × 49,996.63
4. Step 4: Simplify right side
   85,834.27x = 5,921,566,359.53
5. Step 5: Solve for x
   x = 5,921,566,359.53/85,834.27
6. Step 6: Final answer
   x = 68,988.37