Finding the Fourth Proportional to 22,453.10, 30,984.76 and 12,381.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453.10 : 30,984.76 = 12,381.32 : x
2. Step 2: Convert to fraction form
   22,453.10/30,984.76 = 12,381.32/x
3. Step 3: Cross multiply
   22,453.10x = 30,984.76 × 12,381.32
4. Step 4: Simplify right side
   22,453.10x = 383,632,321.62
5. Step 5: Solve for x
   x = 383,632,321.62/22,453.10
6. Step 6: Final answer
   x = 17,085.94