Finding the Fourth Proportional to 10,826.56, 16,238.92 and 3,429.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,826.56 : 16,238.92 = 3,429.94 : x
2. Step 2: Convert to fraction form
   10,826.56/16,238.92 = 3,429.94/x
3. Step 3: Cross multiply
   10,826.56x = 16,238.92 × 3,429.94
4. Step 4: Simplify right side
   10,826.56x = 55,698,521.26
5. Step 5: Solve for x
   x = 55,698,521.26/10,826.56
6. Step 6: Final answer
   x = 5,144.62