Finding the Fourth Proportional to 9,806.49, 13,530.92 and 5,826.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,806.49 : 13,530.92 = 5,826.15 : x
2. Step 2: Convert to fraction form
   9,806.49/13,530.92 = 5,826.15/x
3. Step 3: Cross multiply
   9,806.49x = 13,530.92 × 5,826.15
4. Step 4: Simplify right side
   9,806.49x = 78,833,140.43
5. Step 5: Solve for x
   x = 78,833,140.43/9,806.49
6. Step 6: Final answer
   x = 8,038.87