Finding the Fourth Proportional to 13,406.05, 20,111.69 and 4,046.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,406.05 : 20,111.69 = 4,046.83 : x
2. Step 2: Convert to fraction form
   13,406.05/20,111.69 = 4,046.83/x
3. Step 3: Cross multiply
   13,406.05x = 20,111.69 × 4,046.83
4. Step 4: Simplify right side
   13,406.05x = 81,388,469.65
5. Step 5: Solve for x
   x = 81,388,469.65/13,406.05
6. Step 6: Final answer
   x = 6,071.03