Finding the Fourth Proportional to 3,364.72, 5,048.52 and 3,078.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,364.72 : 5,048.52 = 3,078.16 : x
2. Step 2: Convert to fraction form
   3,364.72/5,048.52 = 3,078.16/x
3. Step 3: Cross multiply
   3,364.72x = 5,048.52 × 3,078.16
4. Step 4: Simplify right side
   3,364.72x = 15,540,152.32
5. Step 5: Solve for x
   x = 15,540,152.32/3,364.72
6. Step 6: Final answer
   x = 4,618.56