Finding the Fourth Proportional to 22,185.72, 33,268.86 and 8,325

Step by Step Solution

1. Step 1: Write the proportion equation
   22,185.72 : 33,268.86 = 8,325 : x
2. Step 2: Convert to fraction form
   22,185.72/33,268.86 = 8,325/x
3. Step 3: Cross multiply
   22,185.72x = 33,268.86 × 8,325
4. Step 4: Simplify right side
   22,185.72x = 276,963,259.50
5. Step 5: Solve for x
   x = 276,963,259.50/22,185.72
6. Step 6: Final answer
   x = 12,483.85