Finding the Fourth Proportional to 22,238.02, 30,687.32 and 12,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,238.02 : 30,687.32 = 12,164.50 : x
2. Step 2: Convert to fraction form
   22,238.02/30,687.32 = 12,164.50/x
3. Step 3: Cross multiply
   22,238.02x = 30,687.32 × 12,164.50
4. Step 4: Simplify right side
   22,238.02x = 373,295,904.14
5. Step 5: Solve for x
   x = 373,295,904.14/22,238.02
6. Step 6: Final answer
   x = 16,786.38