Finding the Fourth Proportional to 9,826.43, 13,557.17 and 5,845.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,826.43 : 13,557.17 = 5,845.28 : x
2. Step 2: Convert to fraction form
   9,826.43/13,557.17 = 5,845.28/x
3. Step 3: Cross multiply
   9,826.43x = 13,557.17 × 5,845.28
4. Step 4: Simplify right side
   9,826.43x = 79,245,401.48
5. Step 5: Solve for x
   x = 79,245,401.48/9,826.43
6. Step 6: Final answer
   x = 8,064.52