Finding the Fourth Proportional to 12,301.36, 18,448.42 and 5,634.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.36 : 18,448.42 = 5,634.09 : x
2. Step 2: Convert to fraction form
   12,301.36/18,448.42 = 5,634.09/x
3. Step 3: Cross multiply
   12,301.36x = 18,448.42 × 5,634.09
4. Step 4: Simplify right side
   12,301.36x = 103,940,012.52
5. Step 5: Solve for x
   x = 103,940,012.52/12,301.36
6. Step 6: Final answer
   x = 8,449.48