Finding the Fourth Proportional to 3,686.50, 5,516.76 and 2,300.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.50 : 5,516.76 = 2,300.49 : x
2. Step 2: Convert to fraction form
   3,686.50/5,516.76 = 2,300.49/x
3. Step 3: Cross multiply
   3,686.50x = 5,516.76 × 2,300.49
4. Step 4: Simplify right side
   3,686.50x = 12,691,251.21
5. Step 5: Solve for x
   x = 12,691,251.21/3,686.50
6. Step 6: Final answer
   x = 3,442.63