Finding the Fourth Proportional to 21,373.50, 32,059.86 and 8,228.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,373.50 : 32,059.86 = 8,228.72 : x
2. Step 2: Convert to fraction form
   21,373.50/32,059.86 = 8,228.72/x
3. Step 3: Cross multiply
   21,373.50x = 32,059.86 × 8,228.72
4. Step 4: Simplify right side
   21,373.50x = 263,811,450.88
5. Step 5: Solve for x
   x = 263,811,450.88/21,373.50
6. Step 6: Final answer
   x = 12,342.92