Finding the Fourth Proportional to 22,185.08, 30,622.06 and 13,238.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,185.08 : 30,622.06 = 13,238.84 : x
2. Step 2: Convert to fraction form
   22,185.08/30,622.06 = 13,238.84/x
3. Step 3: Cross multiply
   22,185.08x = 30,622.06 × 13,238.84
4. Step 4: Simplify right side
   22,185.08x = 405,400,552.81
5. Step 5: Solve for x
   x = 405,400,552.81/22,185.08
6. Step 6: Final answer
   x = 18,273.57