Finding the Fourth Proportional to 22,452.94, 30,983.62 and 12,381.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.94 : 30,983.62 = 12,381.45 : x
2. Step 2: Convert to fraction form
   22,452.94/30,983.62 = 12,381.45/x
3. Step 3: Cross multiply
   22,452.94x = 30,983.62 × 12,381.45
4. Step 4: Simplify right side
   22,452.94x = 383,622,141.85
5. Step 5: Solve for x
   x = 383,622,141.85/22,452.94
6. Step 6: Final answer
   x = 17,085.61