Finding the Fourth Proportional to 3,770.18, 5,684.20 and 3,516.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,770.18 : 5,684.20 = 3,516.09 : x
2. Step 2: Convert to fraction form
   3,770.18/5,684.20 = 3,516.09/x
3. Step 3: Cross multiply
   3,770.18x = 5,684.20 × 3,516.09
4. Step 4: Simplify right side
   3,770.18x = 19,986,158.78
5. Step 5: Solve for x
   x = 19,986,158.78/3,770.18
6. Step 6: Final answer
   x = 5,301.12