Finding the Fourth Proportional to 22,002.27, 30,362.76 and 12,442.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002.27 : 30,362.76 = 12,442.02 : x
2. Step 2: Convert to fraction form
   22,002.27/30,362.76 = 12,442.02/x
3. Step 3: Cross multiply
   22,002.27x = 30,362.76 × 12,442.02
4. Step 4: Simplify right side
   22,002.27x = 377,774,067.18
5. Step 5: Solve for x
   x = 377,774,067.18/22,002.27
6. Step 6: Final answer
   x = 17,169.78