Finding the Fourth Proportional to 67,019.92, 100,529.94 and 20,272.84

Step by Step Solution

1. Step 1: Write the proportion equation
   67,019.92 : 100,529.94 = 20,272.84 : x
2. Step 2: Convert to fraction form
   67,019.92/100,529.94 = 20,272.84/x
3. Step 3: Cross multiply
   67,019.92x = 100,529.94 × 20,272.84
4. Step 4: Simplify right side
   67,019.92x = 2,038,027,388.83
5. Step 5: Solve for x
   x = 2,038,027,388.83/67,019.92
6. Step 6: Final answer
   x = 30,409.28