Finding the Fourth Proportional to 22,213.98, 30,653.17 and 12,141.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,213.98 : 30,653.17 = 12,141.80 : x
2. Step 2: Convert to fraction form
   22,213.98/30,653.17 = 12,141.80/x
3. Step 3: Cross multiply
   22,213.98x = 30,653.17 × 12,141.80
4. Step 4: Simplify right side
   22,213.98x = 372,184,590.84
5. Step 5: Solve for x
   x = 372,184,590.84/22,213.98
6. Step 6: Final answer
   x = 16,754.52