Finding the Fourth Proportional to 7,763.69, 10,712.27 and 5,078.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,763.69 : 10,712.27 = 5,078.84 : x
2. Step 2: Convert to fraction form
   7,763.69/10,712.27 = 5,078.84/x
3. Step 3: Cross multiply
   7,763.69x = 10,712.27 × 5,078.84
4. Step 4: Simplify right side
   7,763.69x = 54,405,905.37
5. Step 5: Solve for x
   x = 54,405,905.37/7,763.69
6. Step 6: Final answer
   x = 7,007.74