Finding the Fourth Proportional to 82,203.27, 113,428.35 and 49,921.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,203.27 : 113,428.35 = 49,921.10 : x
2. Step 2: Convert to fraction form
   82,203.27/113,428.35 = 49,921.10/x
3. Step 3: Cross multiply
   82,203.27x = 113,428.35 × 49,921.10
4. Step 4: Simplify right side
   82,203.27x = 5,662,468,003.19
5. Step 5: Solve for x
   x = 5,662,468,003.19/82,203.27
6. Step 6: Final answer
   x = 68,883.73