Finding the Fourth Proportional to 2,071.08, 2,857.86 and 1,408.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.08 : 2,857.86 = 1,408.77 : x
2. Step 2: Convert to fraction form
   2,071.08/2,857.86 = 1,408.77/x
3. Step 3: Cross multiply
   2,071.08x = 2,857.86 × 1,408.77
4. Step 4: Simplify right side
   2,071.08x = 4,026,067.43
5. Step 5: Solve for x
   x = 4,026,067.43/2,071.08
6. Step 6: Final answer
   x = 1,943.95