Finding the Fourth Proportional to 3,653.38, 5,037.42 and 3,456.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,653.38 : 5,037.42 = 3,456.40 : x
2. Step 2: Convert to fraction form
   3,653.38/5,037.42 = 3,456.40/x
3. Step 3: Cross multiply
   3,653.38x = 5,037.42 × 3,456.40
4. Step 4: Simplify right side
   3,653.38x = 17,411,338.49
5. Step 5: Solve for x
   x = 17,411,338.49/3,653.38
6. Step 6: Final answer
   x = 4,765.82