Finding the Fourth Proportional to 2,637.32, 3,956.71 and 788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.32 : 3,956.71 = 788.50 : x
2. Step 2: Convert to fraction form
   2,637.32/3,956.71 = 788.50/x
3. Step 3: Cross multiply
   2,637.32x = 3,956.71 × 788.50
4. Step 4: Simplify right side
   2,637.32x = 3,119,853.97
5. Step 5: Solve for x
   x = 3,119,853.97/2,637.32
6. Step 6: Final answer
   x = 1,182.96