Finding the Fourth Proportional to 3,364.71, 5,048.52 and 3,078.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,364.71 : 5,048.52 = 3,078.15 : x
2. Step 2: Convert to fraction form
   3,364.71/5,048.52 = 3,078.15/x
3. Step 3: Cross multiply
   3,364.71x = 5,048.52 × 3,078.15
4. Step 4: Simplify right side
   3,364.71x = 15,540,101.84
5. Step 5: Solve for x
   x = 15,540,101.84/3,364.71
6. Step 6: Final answer
   x = 4,618.56