Finding the Fourth Proportional to 14,653.82, 21,986.85 and 9,111.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,653.82 : 21,986.85 = 9,111.83 : x
2. Step 2: Convert to fraction form
   14,653.82/21,986.85 = 9,111.83/x
3. Step 3: Cross multiply
   14,653.82x = 21,986.85 × 9,111.83
4. Step 4: Simplify right side
   14,653.82x = 200,340,329.50
5. Step 5: Solve for x
   x = 200,340,329.50/14,653.82
6. Step 6: Final answer
   x = 13,671.55