Finding the Fourth Proportional to 22,185.72, 33,282.63 and 13,410.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,185.72 : 33,282.63 = 13,410.18 : x
2. Step 2: Convert to fraction form
   22,185.72/33,282.63 = 13,410.18/x
3. Step 3: Cross multiply
   22,185.72x = 33,282.63 × 13,410.18
4. Step 4: Simplify right side
   22,185.72x = 446,326,059.17
5. Step 5: Solve for x
   x = 446,326,059.17/22,185.72
6. Step 6: Final answer
   x = 20,117.72