Finding the Fourth Proportional to 22,453.82, 30,984.84 and 12,381.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453.82 : 30,984.84 = 12,381.71 : x
2. Step 2: Convert to fraction form
   22,453.82/30,984.84 = 12,381.71/x
3. Step 3: Cross multiply
   22,453.82x = 30,984.84 × 12,381.71
4. Step 4: Simplify right side
   22,453.82x = 383,645,303.28
5. Step 5: Solve for x
   x = 383,645,303.28/22,453.82
6. Step 6: Final answer
   x = 17,085.97