Finding the Fourth Proportional to 11,426.24, 17,139.69 and 3,106.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,426.24 : 17,139.69 = 3,106.22 : x
2. Step 2: Convert to fraction form
   11,426.24/17,139.69 = 3,106.22/x
3. Step 3: Cross multiply
   11,426.24x = 17,139.69 × 3,106.22
4. Step 4: Simplify right side
   11,426.24x = 53,239,562.17
5. Step 5: Solve for x
   x = 53,239,562.17/11,426.24
6. Step 6: Final answer
   x = 4,659.41