Finding the Fourth Proportional to 10,947.75, 16,411.89 and 4,020.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.75 : 16,411.89 = 4,020.63 : x
2. Step 2: Convert to fraction form
   10,947.75/16,411.89 = 4,020.63/x
3. Step 3: Cross multiply
   10,947.75x = 16,411.89 × 4,020.63
4. Step 4: Simplify right side
   10,947.75x = 65,986,137.29
5. Step 5: Solve for x
   x = 65,986,137.29/10,947.75
6. Step 6: Final answer
   x = 6,027.37