Finding the Fourth Proportional to 4,778.78, 7,169.69 and 3,034.65

Step by Step Solution

1. Step 1: Write the proportion equation
   4,778.78 : 7,169.69 = 3,034.65 : x
2. Step 2: Convert to fraction form
   4,778.78/7,169.69 = 3,034.65/x
3. Step 3: Cross multiply
   4,778.78x = 7,169.69 × 3,034.65
4. Step 4: Simplify right side
   4,778.78x = 21,757,484.59
5. Step 5: Solve for x
   x = 21,757,484.59/4,778.78
6. Step 6: Final answer
   x = 4,552.94