Finding the Fourth Proportional to 67,233.34, 100,847.58 and 20,485

Step by Step Solution

1. Step 1: Write the proportion equation
   67,233.34 : 100,847.58 = 20,485 : x
2. Step 2: Convert to fraction form
   67,233.34/100,847.58 = 20,485/x
3. Step 3: Cross multiply
   67,233.34x = 100,847.58 × 20,485
4. Step 4: Simplify right side
   67,233.34x = 2,065,862,676.30
5. Step 5: Solve for x
   x = 2,065,862,676.30/67,233.34
6. Step 6: Final answer
   x = 30,726.76