Finding the Fourth Proportional to 21,499.17, 32,236.22 and 8,336.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,499.17 : 32,236.22 = 8,336.16 : x
2. Step 2: Convert to fraction form
   21,499.17/32,236.22 = 8,336.16/x
3. Step 3: Cross multiply
   21,499.17x = 32,236.22 × 8,336.16
4. Step 4: Simplify right side
   21,499.17x = 268,726,287.72
5. Step 5: Solve for x
   x = 268,726,287.72/21,499.17
6. Step 6: Final answer
   x = 12,499.38