Finding the Fourth Proportional to 81,769.86, 112,843.41 and 49,504.04

Step by Step Solution

1. Step 1: Write the proportion equation
   81,769.86 : 112,843.41 = 49,504.04 : x
2. Step 2: Convert to fraction form
   81,769.86/112,843.41 = 49,504.04/x
3. Step 3: Cross multiply
   81,769.86x = 112,843.41 × 49,504.04
4. Step 4: Simplify right side
   81,769.86x = 5,586,204,682.38
5. Step 5: Solve for x
   x = 5,586,204,682.38/81,769.86
6. Step 6: Final answer
   x = 68,316.18