Finding the Fourth Proportional to 21,411.87, 32,099.34 and 8,273.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,411.87 : 32,099.34 = 8,273.46 : x
2. Step 2: Convert to fraction form
   21,411.87/32,099.34 = 8,273.46/x
3. Step 3: Cross multiply
   21,411.87x = 32,099.34 × 8,273.46
4. Step 4: Simplify right side
   21,411.87x = 265,572,605.52
5. Step 5: Solve for x
   x = 265,572,605.52/21,411.87
6. Step 6: Final answer
   x = 12,403.06