Finding the Fourth Proportional to 22,049.98, 30,429.32 and 11,978.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,049.98 : 30,429.32 = 11,978.62 : x
2. Step 2: Convert to fraction form
   22,049.98/30,429.32 = 11,978.62/x
3. Step 3: Cross multiply
   22,049.98x = 30,429.32 × 11,978.62
4. Step 4: Simplify right side
   22,049.98x = 364,501,261.14
5. Step 5: Solve for x
   x = 364,501,261.14/22,049.98
6. Step 6: Final answer
   x = 16,530.68