Finding the Fourth Proportional to 6,826.17, 10,235.61 and 2,145.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,826.17 : 10,235.61 = 2,145.32 : x
2. Step 2: Convert to fraction form
   6,826.17/10,235.61 = 2,145.32/x
3. Step 3: Cross multiply
   6,826.17x = 10,235.61 × 2,145.32
4. Step 4: Simplify right side
   6,826.17x = 21,958,658.85
5. Step 5: Solve for x
   x = 21,958,658.85/6,826.17
6. Step 6: Final answer
   x = 3,216.83