Finding the Fourth Proportional to 80,912.01, 121,367.83 and 21,747.67

Step by Step Solution

1. Step 1: Write the proportion equation
   80,912.01 : 121,367.83 = 21,747.67 : x
2. Step 2: Convert to fraction form
   80,912.01/121,367.83 = 21,747.67/x
3. Step 3: Cross multiply
   80,912.01x = 121,367.83 × 21,747.67
4. Step 4: Simplify right side
   80,912.01x = 2,639,467,911.72
5. Step 5: Solve for x
   x = 2,639,467,911.72/80,912.01
6. Step 6: Final answer
   x = 32,621.46