Finding the Fourth Proportional to 9,947.21, 14,922.17 and 3,371.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,947.21 : 14,922.17 = 3,371.63 : x
2. Step 2: Convert to fraction form
   9,947.21/14,922.17 = 3,371.63/x
3. Step 3: Cross multiply
   9,947.21x = 14,922.17 × 3,371.63
4. Step 4: Simplify right side
   9,947.21x = 50,311,976.18
5. Step 5: Solve for x
   x = 50,311,976.18/9,947.21
6. Step 6: Final answer
   x = 5,057.90