Finding the Fourth Proportional to 12,074.31, 16,663.25 and 9,084.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,074.31 : 16,663.25 = 9,084.80 : x
2. Step 2: Convert to fraction form
   12,074.31/16,663.25 = 9,084.80/x
3. Step 3: Cross multiply
   12,074.31x = 16,663.25 × 9,084.80
4. Step 4: Simplify right side
   12,074.31x = 151,382,357.97
5. Step 5: Solve for x
   x = 151,382,357.97/12,074.31
6. Step 6: Final answer
   x = 12,537.56