Finding the Fourth Proportional to 3,680.24, 5,076.42 and 2,419.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680.24 : 5,076.42 = 2,419.34 : x
2. Step 2: Convert to fraction form
   3,680.24/5,076.42 = 2,419.34/x
3. Step 3: Cross multiply
   3,680.24x = 5,076.42 × 2,419.34
4. Step 4: Simplify right side
   3,680.24x = 12,281,585.96
5. Step 5: Solve for x
   x = 12,281,585.96/3,680.24
6. Step 6: Final answer
   x = 3,337.17