Finding the Fourth Proportional to 2,637.14, 3,956.27 and 788.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.14 : 3,956.27 = 788.41 : x
2. Step 2: Convert to fraction form
   2,637.14/3,956.27 = 788.41/x
3. Step 3: Cross multiply
   2,637.14x = 3,956.27 × 788.41
4. Step 4: Simplify right side
   2,637.14x = 3,119,162.83
5. Step 5: Solve for x
   x = 3,119,162.83/2,637.14
6. Step 6: Final answer
   x = 1,182.78