Finding the Fourth Proportional to 22,050.11, 30,429.24 and 11,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,050.11 : 30,429.24 = 11,978.72 : x
2. Step 2: Convert to fraction form
   22,050.11/30,429.24 = 11,978.72/x
3. Step 3: Cross multiply
   22,050.11x = 30,429.24 × 11,978.72
4. Step 4: Simplify right side
   22,050.11x = 364,503,193.63
5. Step 5: Solve for x
   x = 364,503,193.63/22,050.11
6. Step 6: Final answer
   x = 16,530.68