Finding the Fourth Proportional to 3,976.32, 5,487.69 and 2,404.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.32 : 5,487.69 = 2,404.38 : x
2. Step 2: Convert to fraction form
   3,976.32/5,487.69 = 2,404.38/x
3. Step 3: Cross multiply
   3,976.32x = 5,487.69 × 2,404.38
4. Step 4: Simplify right side
   3,976.32x = 13,194,492.08
5. Step 5: Solve for x
   x = 13,194,492.08/3,976.32
6. Step 6: Final answer
   x = 3,318.27