Finding the Fourth Proportional to 3,698.67, 5,103.57 and 2,126.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.67 : 5,103.57 = 2,126.46 : x
2. Step 2: Convert to fraction form
   3,698.67/5,103.57 = 2,126.46/x
3. Step 3: Cross multiply
   3,698.67x = 5,103.57 × 2,126.46
4. Step 4: Simplify right side
   3,698.67x = 10,852,537.46
5. Step 5: Solve for x
   x = 10,852,537.46/3,698.67
6. Step 6: Final answer
   x = 2,934.17