Finding the Fourth Proportional to 3,698.82, 5,104.40 and 2,372.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.82 : 5,104.40 = 2,372.78 : x
2. Step 2: Convert to fraction form
   3,698.82/5,104.40 = 2,372.78/x
3. Step 3: Cross multiply
   3,698.82x = 5,104.40 × 2,372.78
4. Step 4: Simplify right side
   3,698.82x = 12,111,580.85
5. Step 5: Solve for x
   x = 12,111,580.85/3,698.82
6. Step 6: Final answer
   x = 3,274.44