Finding the Fourth Proportional to 3,761.46, 5,636.78 and 2,114.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,761.46 : 5,636.78 = 2,114.54 : x
2. Step 2: Convert to fraction form
   3,761.46/5,636.78 = 2,114.54/x
3. Step 3: Cross multiply
   3,761.46x = 5,636.78 × 2,114.54
4. Step 4: Simplify right side
   3,761.46x = 11,919,196.78
5. Step 5: Solve for x
   x = 11,919,196.78/3,761.46
6. Step 6: Final answer
   x = 3,168.77