Finding the Fourth Proportional to 7,078.05, 9,763.20 and 5,585.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078.05 : 9,763.20 = 5,585.49 : x
2. Step 2: Convert to fraction form
   7,078.05/9,763.20 = 5,585.49/x
3. Step 3: Cross multiply
   7,078.05x = 9,763.20 × 5,585.49
4. Step 4: Simplify right side
   7,078.05x = 54,532,255.97
5. Step 5: Solve for x
   x = 54,532,255.97/7,078.05
6. Step 6: Final answer
   x = 7,704.42