Finding the Fourth Proportional to 21,846.33, 30,150.50 and 12,416.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,846.33 : 30,150.50 = 12,416.31 : x
2. Step 2: Convert to fraction form
   21,846.33/30,150.50 = 12,416.31/x
3. Step 3: Cross multiply
   21,846.33x = 30,150.50 × 12,416.31
4. Step 4: Simplify right side
   21,846.33x = 374,357,892.57
5. Step 5: Solve for x
   x = 374,357,892.57/21,846.33
6. Step 6: Final answer
   x = 17,135.96