Finding the Fourth Proportional to 21,846.42, 30,148.02 and 11,910.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,846.42 : 30,148.02 = 11,910.42 : x
2. Step 2: Convert to fraction form
   21,846.42/30,148.02 = 11,910.42/x
3. Step 3: Cross multiply
   21,846.42x = 30,148.02 × 11,910.42
4. Step 4: Simplify right side
   21,846.42x = 359,075,580.37
5. Step 5: Solve for x
   x = 359,075,580.37/21,846.42
6. Step 6: Final answer
   x = 16,436.36