Finding the Fourth Proportional to 11,653.82, 17,391.15 and 10,408.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,653.82 : 17,391.15 = 10,408.22 : x
2. Step 2: Convert to fraction form
   11,653.82/17,391.15 = 10,408.22/x
3. Step 3: Cross multiply
   11,653.82x = 17,391.15 × 10,408.22
4. Step 4: Simplify right side
   11,653.82x = 181,010,915.25
5. Step 5: Solve for x
   x = 181,010,915.25/11,653.82
6. Step 6: Final answer
   x = 15,532.32