Finding the Fourth Proportional to 83,826.05, 115,674.14 and 49,832.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,826.05 : 115,674.14 = 49,832.78 : x
2. Step 2: Convert to fraction form
   83,826.05/115,674.14 = 49,832.78/x
3. Step 3: Cross multiply
   83,826.05x = 115,674.14 × 49,832.78
4. Step 4: Simplify right side
   83,826.05x = 5,764,363,516.52
5. Step 5: Solve for x
   x = 5,764,363,516.52/83,826.05
6. Step 6: Final answer
   x = 68,765.78