Finding the Fourth Proportional to 8,662.14, 12,983.69 and 3,395.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,662.14 : 12,983.69 = 3,395.55 : x
2. Step 2: Convert to fraction form
   8,662.14/12,983.69 = 3,395.55/x
3. Step 3: Cross multiply
   8,662.14x = 12,983.69 × 3,395.55
4. Step 4: Simplify right side
   8,662.14x = 44,086,825.76
5. Step 5: Solve for x
   x = 44,086,825.76/8,662.14
6. Step 6: Final answer
   x = 5,089.60