Finding the Fourth Proportional to 4,756.22, 6,561.37 and 3,078.17

Step by Step Solution

1. Step 1: Write the proportion equation
   4,756.22 : 6,561.37 = 3,078.17 : x
2. Step 2: Convert to fraction form
   4,756.22/6,561.37 = 3,078.17/x
3. Step 3: Cross multiply
   4,756.22x = 6,561.37 × 3,078.17
4. Step 4: Simplify right side
   4,756.22x = 20,196,964.10
5. Step 5: Solve for x
   x = 20,196,964.10/4,756.22
6. Step 6: Final answer
   x = 4,246.43