Finding the Fourth Proportional to 2,788.50, 4,182.78 and 736.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.50 : 4,182.78 = 736.50 : x
2. Step 2: Convert to fraction form
   2,788.50/4,182.78 = 736.50/x
3. Step 3: Cross multiply
   2,788.50x = 4,182.78 × 736.50
4. Step 4: Simplify right side
   2,788.50x = 3,080,617.47
5. Step 5: Solve for x
   x = 3,080,617.47/2,788.50
6. Step 6: Final answer
   x = 1,104.76