Finding the Fourth Proportional to 22,050.02, 30,429.12 and 11,978.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,050.02 : 30,429.12 = 11,978.64 : x
2. Step 2: Convert to fraction form
   22,050.02/30,429.12 = 11,978.64/x
3. Step 3: Cross multiply
   22,050.02x = 30,429.12 × 11,978.64
4. Step 4: Simplify right side
   22,050.02x = 364,499,474.00
5. Step 5: Solve for x
   x = 364,499,474.00/22,050.02
6. Step 6: Final answer
   x = 16,530.58