Finding the Fourth Proportional to 2,908.86, 4,362.81 and 2,418.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,908.86 : 4,362.81 = 2,418.42 : x
2. Step 2: Convert to fraction form
   2,908.86/4,362.81 = 2,418.42/x
3. Step 3: Cross multiply
   2,908.86x = 4,362.81 × 2,418.42
4. Step 4: Simplify right side
   2,908.86x = 10,551,106.96
5. Step 5: Solve for x
   x = 10,551,106.96/2,908.86
6. Step 6: Final answer
   x = 3,627.23