Finding the Fourth Proportional to 22,219.98, 30,662.34 and 12,146.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,219.98 : 30,662.34 = 12,146.42 : x
2. Step 2: Convert to fraction form
   22,219.98/30,662.34 = 12,146.42/x
3. Step 3: Cross multiply
   22,219.98x = 30,662.34 × 12,146.42
4. Step 4: Simplify right side
   22,219.98x = 372,437,659.82
5. Step 5: Solve for x
   x = 372,437,659.82/22,219.98
6. Step 6: Final answer
   x = 16,761.39