Finding the Fourth Proportional to 85,619.83, 118,179.11 and 49,816.76

Step by Step Solution

1. Step 1: Write the proportion equation
   85,619.83 : 118,179.11 = 49,816.76 : x
2. Step 2: Convert to fraction form
   85,619.83/118,179.11 = 49,816.76/x
3. Step 3: Cross multiply
   85,619.83x = 118,179.11 × 49,816.76
4. Step 4: Simplify right side
   85,619.83x = 5,887,300,359.88
5. Step 5: Solve for x
   x = 5,887,300,359.88/85,619.83
6. Step 6: Final answer
   x = 68,760.94