Finding the Fourth Proportional to 2,637.31, 3,955.83 and 788.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,637.31 : 3,955.83 = 788.44 : x
2. Step 2: Convert to fraction form
   2,637.31/3,955.83 = 788.44/x
3. Step 3: Cross multiply
   2,637.31x = 3,955.83 × 788.44
4. Step 4: Simplify right side
   2,637.31x = 3,118,934.61
5. Step 5: Solve for x
   x = 3,118,934.61/2,637.31
6. Step 6: Final answer
   x = 1,182.62