Finding the Fourth Proportional to 2,886.72, 4,305.77 and 2,419.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.72 : 4,305.77 = 2,419.08 : x
2. Step 2: Convert to fraction form
   2,886.72/4,305.77 = 2,419.08/x
3. Step 3: Cross multiply
   2,886.72x = 4,305.77 × 2,419.08
4. Step 4: Simplify right side
   2,886.72x = 10,416,002.09
5. Step 5: Solve for x
   x = 10,416,002.09/2,886.72
6. Step 6: Final answer
   x = 3,608.25