Finding the Fourth Proportional to 82,200.27, 113,424.21 and 49,918.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,200.27 : 113,424.21 = 49,918.10 : x
2. Step 2: Convert to fraction form
   82,200.27/113,424.21 = 49,918.10/x
3. Step 3: Cross multiply
   82,200.27x = 113,424.21 × 49,918.10
4. Step 4: Simplify right side
   82,200.27x = 5,661,920,728.23
5. Step 5: Solve for x
   x = 5,661,920,728.23/82,200.27
6. Step 6: Final answer
   x = 68,879.59