Finding the Fourth Proportional to 22,050.36, 30,429.46 and 11,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,050.36 : 30,429.46 = 11,978.82 : x
2. Step 2: Convert to fraction form
   22,050.36/30,429.46 = 11,978.82/x
3. Step 3: Cross multiply
   22,050.36x = 30,429.46 × 11,978.82
4. Step 4: Simplify right side
   22,050.36x = 364,509,024.04
5. Step 5: Solve for x
   x = 364,509,024.04/22,050.36
6. Step 6: Final answer
   x = 16,530.75