Finding the Fourth Proportional to 3,673.89, 5,070.47 and 3,559.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.89 : 5,070.47 = 3,559.14 : x
2. Step 2: Convert to fraction form
   3,673.89/5,070.47 = 3,559.14/x
3. Step 3: Cross multiply
   3,673.89x = 5,070.47 × 3,559.14
4. Step 4: Simplify right side
   3,673.89x = 18,046,494.80
5. Step 5: Solve for x
   x = 18,046,494.80/3,673.89
6. Step 6: Final answer
   x = 4,912.09