Finding the Fourth Proportional to 85,663.34, 118,227.84 and 49,357.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,663.34 : 118,227.84 = 49,357.72 : x
2. Step 2: Convert to fraction form
   85,663.34/118,227.84 = 49,357.72/x
3. Step 3: Cross multiply
   85,663.34x = 118,227.84 × 49,357.72
4. Step 4: Simplify right side
   85,663.34x = 5,835,456,622.92
5. Step 5: Solve for x
   x = 5,835,456,622.92/85,663.34
6. Step 6: Final answer
   x = 68,120.82