Finding the Fourth Proportional to 83,406.85, 115,096.89 and 49,418.47

Step by Step Solution

1. Step 1: Write the proportion equation
   83,406.85 : 115,096.89 = 49,418.47 : x
2. Step 2: Convert to fraction form
   83,406.85/115,096.89 = 49,418.47/x
3. Step 3: Cross multiply
   83,406.85x = 115,096.89 × 49,418.47
4. Step 4: Simplify right side
   83,406.85x = 5,687,912,205.56
5. Step 5: Solve for x
   x = 5,687,912,205.56/83,406.85
6. Step 6: Final answer
   x = 68,194.79