Finding the Fourth Proportional to 2,581.23, 3,873.72 and 937.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.23 : 3,873.72 = 937.92 : x
2. Step 2: Convert to fraction form
   2,581.23/3,873.72 = 937.92/x
3. Step 3: Cross multiply
   2,581.23x = 3,873.72 × 937.92
4. Step 4: Simplify right side
   2,581.23x = 3,633,239.46
5. Step 5: Solve for x
   x = 3,633,239.46/2,581.23
6. Step 6: Final answer
   x = 1,407.56