Finding the Fourth Proportional to 4,404.06, 6,078.58 and 2,912.18

Step by Step Solution

1. Step 1: Write the proportion equation
   4,404.06 : 6,078.58 = 2,912.18 : x
2. Step 2: Convert to fraction form
   4,404.06/6,078.58 = 2,912.18/x
3. Step 3: Cross multiply
   4,404.06x = 6,078.58 × 2,912.18
4. Step 4: Simplify right side
   4,404.06x = 17,701,919.10
5. Step 5: Solve for x
   x = 17,701,919.10/4,404.06
6. Step 6: Final answer
   x = 4,019.45