Finding the Fourth Proportional to 11,661.42, 17,491.89 and 2,896.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,661.42 : 17,491.89 = 2,896.23 : x
2. Step 2: Convert to fraction form
   11,661.42/17,491.89 = 2,896.23/x
3. Step 3: Cross multiply
   11,661.42x = 17,491.89 × 2,896.23
4. Step 4: Simplify right side
   11,661.42x = 50,660,536.57
5. Step 5: Solve for x
   x = 50,660,536.57/11,661.42
6. Step 6: Final answer
   x = 4,344.29