Finding the Fourth Proportional to 21,517.01, 32,270.64 and 8,185.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,517.01 : 32,270.64 = 8,185.25 : x
2. Step 2: Convert to fraction form
   21,517.01/32,270.64 = 8,185.25/x
3. Step 3: Cross multiply
   21,517.01x = 32,270.64 × 8,185.25
4. Step 4: Simplify right side
   21,517.01x = 264,143,094.71
5. Step 5: Solve for x
   x = 264,143,094.71/21,517.01
6. Step 6: Final answer
   x = 12,276.02