Finding the Fourth Proportional to 22,379.52, 30,885.12 and 12,443.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,379.52 : 30,885.12 = 12,443.52 : x
2. Step 2: Convert to fraction form
   22,379.52/30,885.12 = 12,443.52/x
3. Step 3: Cross multiply
   22,379.52x = 30,885.12 × 12,443.52
4. Step 4: Simplify right side
   22,379.52x = 384,319,608.42
5. Step 5: Solve for x
   x = 384,319,608.42/22,379.52
6. Step 6: Final answer
   x = 17,172.83