Finding the Fourth Proportional to 3,842.78, 5,301.15 and 3,310.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842.78 : 5,301.15 = 3,310.73 : x
2. Step 2: Convert to fraction form
   3,842.78/5,301.15 = 3,310.73/x
3. Step 3: Cross multiply
   3,842.78x = 5,301.15 × 3,310.73
4. Step 4: Simplify right side
   3,842.78x = 17,550,705.85
5. Step 5: Solve for x
   x = 17,550,705.85/3,842.78
6. Step 6: Final answer
   x = 4,567.19