Finding the Fourth Proportional to 82,103.50, 113,303.82 and 49,828.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,103.50 : 113,303.82 = 49,828.78 : x
2. Step 2: Convert to fraction form
   82,103.50/113,303.82 = 49,828.78/x
3. Step 3: Cross multiply
   82,103.50x = 113,303.82 × 49,828.78
4. Step 4: Simplify right side
   82,103.50x = 5,645,791,119.94
5. Step 5: Solve for x
   x = 5,645,791,119.94/82,103.50
6. Step 6: Final answer
   x = 68,764.32