Finding the Fourth Proportional to 3,585.39, 5,380.51 and 3,366.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,585.39 : 5,380.51 = 3,366.69 : x
2. Step 2: Convert to fraction form
   3,585.39/5,380.51 = 3,366.69/x
3. Step 3: Cross multiply
   3,585.39x = 5,380.51 × 3,366.69
4. Step 4: Simplify right side
   3,585.39x = 18,114,509.21
5. Step 5: Solve for x
   x = 18,114,509.21/3,585.39
6. Step 6: Final answer
   x = 5,052.31