Finding the Fourth Proportional to 3,673.71, 5,513.31 and 2,738.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.71 : 5,513.31 = 2,738.79 : x
2. Step 2: Convert to fraction form
   3,673.71/5,513.31 = 2,738.79/x
3. Step 3: Cross multiply
   3,673.71x = 5,513.31 × 2,738.79
4. Step 4: Simplify right side
   3,673.71x = 15,099,798.29
5. Step 5: Solve for x
   x = 15,099,798.29/3,673.71
6. Step 6: Final answer
   x = 4,110.23