Finding the Fourth Proportional to 2,762.56, 4,144.05 and 788.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.56 : 4,144.05 = 788.17 : x
2. Step 2: Convert to fraction form
   2,762.56/4,144.05 = 788.17/x
3. Step 3: Cross multiply
   2,762.56x = 4,144.05 × 788.17
4. Step 4: Simplify right side
   2,762.56x = 3,266,215.89
5. Step 5: Solve for x
   x = 3,266,215.89/2,762.56
6. Step 6: Final answer
   x = 1,182.31