Finding the Fourth Proportional to 85,153.50, 117,498.87 and 49,336.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,153.50 : 117,498.87 = 49,336.56 : x
2. Step 2: Convert to fraction form
   85,153.50/117,498.87 = 49,336.56/x
3. Step 3: Cross multiply
   85,153.50x = 117,498.87 × 49,336.56
4. Step 4: Simplify right side
   85,153.50x = 5,796,990,049.69
5. Step 5: Solve for x
   x = 5,796,990,049.69/85,153.50
6. Step 6: Final answer
   x = 68,076.94