Finding the Fourth Proportional to 3,678.81, 5,080.69 and 3,594.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,678.81 : 5,080.69 = 3,594.06 : x
2. Step 2: Convert to fraction form
   3,678.81/5,080.69 = 3,594.06/x
3. Step 3: Cross multiply
   3,678.81x = 5,080.69 × 3,594.06
4. Step 4: Simplify right side
   3,678.81x = 18,260,304.70
5. Step 5: Solve for x
   x = 18,260,304.70/3,678.81
6. Step 6: Final answer
   x = 4,963.64