Finding the Fourth Proportional to 21,846.89, 30,148.62 and 12,417.27

Step by Step Solution

1. Step 1: Write the proportion equation
   21,846.89 : 30,148.62 = 12,417.27 : x
2. Step 2: Convert to fraction form
   21,846.89/30,148.62 = 12,417.27/x
3. Step 3: Cross multiply
   21,846.89x = 30,148.62 × 12,417.27
4. Step 4: Simplify right side
   21,846.89x = 374,363,554.67
5. Step 5: Solve for x
   x = 374,363,554.67/21,846.89
6. Step 6: Final answer
   x = 17,135.79