Finding the Fourth Proportional to 2,073.42, 3,105.93 and 961.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.42 : 3,105.93 = 961.27 : x
2. Step 2: Convert to fraction form
   2,073.42/3,105.93 = 961.27/x
3. Step 3: Cross multiply
   2,073.42x = 3,105.93 × 961.27
4. Step 4: Simplify right side
   2,073.42x = 2,985,637.33
5. Step 5: Solve for x
   x = 2,985,637.33/2,073.42
6. Step 6: Final answer
   x = 1,439.96