Finding the Fourth Proportional to 12,065.94, 16,653.33 and 7,866.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,065.94 : 16,653.33 = 7,866.90 : x
2. Step 2: Convert to fraction form
   12,065.94/16,653.33 = 7,866.90/x
3. Step 3: Cross multiply
   12,065.94x = 16,653.33 × 7,866.90
4. Step 4: Simplify right side
   12,065.94x = 131,010,081.78
5. Step 5: Solve for x
   x = 131,010,081.78/12,065.94
6. Step 6: Final answer
   x = 10,857.84