Finding the Fourth Proportional to 21,491.06, 32,231.12 and 8,336.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,491.06 : 32,231.12 = 8,336.25 : x
2. Step 2: Convert to fraction form
   21,491.06/32,231.12 = 8,336.25/x
3. Step 3: Cross multiply
   21,491.06x = 32,231.12 × 8,336.25
4. Step 4: Simplify right side
   21,491.06x = 268,686,632.42
5. Step 5: Solve for x
   x = 268,686,632.42/21,491.06
6. Step 6: Final answer
   x = 12,502.25