Finding the Fourth Proportional to 3,694.82, 5,513.06 and 3,610.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,694.82 : 5,513.06 = 3,610.78 : x
2. Step 2: Convert to fraction form
   3,694.82/5,513.06 = 3,610.78/x
3. Step 3: Cross multiply
   3,694.82x = 5,513.06 × 3,610.78
4. Step 4: Simplify right side
   3,694.82x = 19,906,442.03
5. Step 5: Solve for x
   x = 19,906,442.03/3,694.82
6. Step 6: Final answer
   x = 5,387.67