Finding the Fourth Proportional to 11,405.43, 17,105.99 and 4,836.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,405.43 : 17,105.99 = 4,836.23 : x
2. Step 2: Convert to fraction form
   11,405.43/17,105.99 = 4,836.23/x
3. Step 3: Cross multiply
   11,405.43x = 17,105.99 × 4,836.23
4. Step 4: Simplify right side
   11,405.43x = 82,728,504.56
5. Step 5: Solve for x
   x = 82,728,504.56/11,405.43
6. Step 6: Final answer
   x = 7,253.43