Finding the Fourth Proportional to 3,976.44, 5,486.61 and 2,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.44 : 5,486.61 = 2,404.50 : x
2. Step 2: Convert to fraction form
   3,976.44/5,486.61 = 2,404.50/x
3. Step 3: Cross multiply
   3,976.44x = 5,486.61 × 2,404.50
4. Step 4: Simplify right side
   3,976.44x = 13,192,526.31
5. Step 5: Solve for x
   x = 13,192,526.31/3,976.44
6. Step 6: Final answer
   x = 3,317.68