Finding the Fourth Proportional to 22,442.55, 30,969.38 and 12,371.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,442.55 : 30,969.38 = 12,371.42 : x
2. Step 2: Convert to fraction form
   22,442.55/30,969.38 = 12,371.42/x
3. Step 3: Cross multiply
   22,442.55x = 30,969.38 × 12,371.42
4. Step 4: Simplify right side
   22,442.55x = 383,134,990.42
5. Step 5: Solve for x
   x = 383,134,990.42/22,442.55
6. Step 6: Final answer
   x = 17,071.81