Finding the Fourth Proportional to 22,045.37, 30,421.04 and 12,486.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,045.37 : 30,421.04 = 12,486.22 : x
2. Step 2: Convert to fraction form
   22,045.37/30,421.04 = 12,486.22/x
3. Step 3: Cross multiply
   22,045.37x = 30,421.04 × 12,486.22
4. Step 4: Simplify right side
   22,045.37x = 379,843,659.59
5. Step 5: Solve for x
   x = 379,843,659.59/22,045.37
6. Step 6: Final answer
   x = 17,230.09