Finding the Fourth Proportional to 2,580.82, 3,871.74 and 937.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.82 : 3,871.74 = 937.42 : x
2. Step 2: Convert to fraction form
   2,580.82/3,871.74 = 937.42/x
3. Step 3: Cross multiply
   2,580.82x = 3,871.74 × 937.42
4. Step 4: Simplify right side
   2,580.82x = 3,629,446.51
5. Step 5: Solve for x
   x = 3,629,446.51/2,580.82
6. Step 6: Final answer
   x = 1,406.32