Finding the Fourth Proportional to 14,222.38, 21,315.74 and 10,947.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,222.38 : 21,315.74 = 10,947.82 : x
2. Step 2: Convert to fraction form
   14,222.38/21,315.74 = 10,947.82/x
3. Step 3: Cross multiply
   14,222.38x = 21,315.74 × 10,947.82
4. Step 4: Simplify right side
   14,222.38x = 233,360,884.69
5. Step 5: Solve for x
   x = 233,360,884.69/14,222.38
6. Step 6: Final answer
   x = 16,408.01