Finding the Fourth Proportional to 22,050.07, 30,429.30 and 11,978.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,050.07 : 30,429.30 = 11,978.58 : x
2. Step 2: Convert to fraction form
   22,050.07/30,429.30 = 11,978.58/x
3. Step 3: Cross multiply
   22,050.07x = 30,429.30 × 11,978.58
4. Step 4: Simplify right side
   22,050.07x = 364,499,963.42
5. Step 5: Solve for x
   x = 364,499,963.42/22,050.07
6. Step 6: Final answer
   x = 16,530.56