Finding the Fourth Proportional to 8,968.94, 13,453.57 and 3,902.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,968.94 : 13,453.57 = 3,902.61 : x
2. Step 2: Convert to fraction form
   8,968.94/13,453.57 = 3,902.61/x
3. Step 3: Cross multiply
   8,968.94x = 13,453.57 × 3,902.61
4. Step 4: Simplify right side
   8,968.94x = 52,504,081.17
5. Step 5: Solve for x
   x = 52,504,081.17/8,968.94
6. Step 6: Final answer
   x = 5,853.99