Finding the Fourth Proportional to 67,874.71, 101,826.69 and 20,485.83

Step by Step Solution

1. Step 1: Write the proportion equation
   67,874.71 : 101,826.69 = 20,485.83 : x
2. Step 2: Convert to fraction form
   67,874.71/101,826.69 = 20,485.83/x
3. Step 3: Cross multiply
   67,874.71x = 101,826.69 × 20,485.83
4. Step 4: Simplify right side
   67,874.71x = 2,086,004,260.80
5. Step 5: Solve for x
   x = 2,086,004,260.80/67,874.71
6. Step 6: Final answer
   x = 30,733.16