Finding the Fourth Proportional to 21,388.15, 32,059.54 and 8,234.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,388.15 : 32,059.54 = 8,234.83 : x
2. Step 2: Convert to fraction form
   21,388.15/32,059.54 = 8,234.83/x
3. Step 3: Cross multiply
   21,388.15x = 32,059.54 × 8,234.83
4. Step 4: Simplify right side
   21,388.15x = 264,004,861.78
5. Step 5: Solve for x
   x = 264,004,861.78/21,388.15
6. Step 6: Final answer
   x = 12,343.51