Finding the Fourth Proportional to 11,662.65, 16,084.55 and 9,854.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.65 : 16,084.55 = 9,854.53 : x
2. Step 2: Convert to fraction form
   11,662.65/16,084.55 = 9,854.53/x
3. Step 3: Cross multiply
   11,662.65x = 16,084.55 × 9,854.53
4. Step 4: Simplify right side
   11,662.65x = 158,505,648.09
5. Step 5: Solve for x
   x = 158,505,648.09/11,662.65
6. Step 6: Final answer
   x = 13,590.88