Finding the Fourth Proportional to 2,758.73, 4,137.59 and 784.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.73 : 4,137.59 = 784.49 : x
2. Step 2: Convert to fraction form
   2,758.73/4,137.59 = 784.49/x
3. Step 3: Cross multiply
   2,758.73x = 4,137.59 × 784.49
4. Step 4: Simplify right side
   2,758.73x = 3,245,873.37
5. Step 5: Solve for x
   x = 3,245,873.37/2,758.73
6. Step 6: Final answer
   x = 1,176.58