Finding the Fourth Proportional to 21,847.44, 30,145.59 and 12,414.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,847.44 : 30,145.59 = 12,414.18 : x
2. Step 2: Convert to fraction form
   21,847.44/30,145.59 = 12,414.18/x
3. Step 3: Cross multiply
   21,847.44x = 30,145.59 × 12,414.18
4. Step 4: Simplify right side
   21,847.44x = 374,232,780.47
5. Step 5: Solve for x
   x = 374,232,780.47/21,847.44
6. Step 6: Final answer
   x = 17,129.37