Finding the Fourth Proportional to 3,983.90, 5,969.52 and 3,364.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983.90 : 5,969.52 = 3,364.70 : x
2. Step 2: Convert to fraction form
   3,983.90/5,969.52 = 3,364.70/x
3. Step 3: Cross multiply
   3,983.90x = 5,969.52 × 3,364.70
4. Step 4: Simplify right side
   3,983.90x = 20,085,643.94
5. Step 5: Solve for x
   x = 20,085,643.94/3,983.90
6. Step 6: Final answer
   x = 5,041.70