Finding the Fourth Proportional to 2,142.03, 3,214.86 and 844.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.03 : 3,214.86 = 844.41 : x
2. Step 2: Convert to fraction form
   2,142.03/3,214.86 = 844.41/x
3. Step 3: Cross multiply
   2,142.03x = 3,214.86 × 844.41
4. Step 4: Simplify right side
   2,142.03x = 2,714,659.93
5. Step 5: Solve for x
   x = 2,714,659.93/2,142.03
6. Step 6: Final answer
   x = 1,267.33