Finding the Fourth Proportional to 82,219.01, 113,420.41 and 49,945.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,219.01 : 113,420.41 = 49,945.05 : x
2. Step 2: Convert to fraction form
   82,219.01/113,420.41 = 49,945.05/x
3. Step 3: Cross multiply
   82,219.01x = 113,420.41 × 49,945.05
4. Step 4: Simplify right side
   82,219.01x = 5,664,787,923.61
5. Step 5: Solve for x
   x = 5,664,787,923.61/82,219.01
6. Step 6: Final answer
   x = 68,898.77