Finding the Fourth Proportional to 11,936.82, 17,906.15 and 3,617.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,936.82 : 17,906.15 = 3,617.54 : x
2. Step 2: Convert to fraction form
   11,936.82/17,906.15 = 3,617.54/x
3. Step 3: Cross multiply
   11,936.82x = 17,906.15 × 3,617.54
4. Step 4: Simplify right side
   11,936.82x = 64,776,106.25
5. Step 5: Solve for x
   x = 64,776,106.25/11,936.82
6. Step 6: Final answer
   x = 5,426.58