Finding the Fourth Proportional to 2,067.30, 3,101.86 and 837.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.30 : 3,101.86 = 837.11 : x
2. Step 2: Convert to fraction form
   2,067.30/3,101.86 = 837.11/x
3. Step 3: Cross multiply
   2,067.30x = 3,101.86 × 837.11
4. Step 4: Simplify right side
   2,067.30x = 2,596,598.02
5. Step 5: Solve for x
   x = 2,596,598.02/2,067.30
6. Step 6: Final answer
   x = 1,256.03