Finding the Fourth Proportional to 5,567.05, 7,678.83 and 3,580.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,567.05 : 7,678.83 = 3,580.12 : x
2. Step 2: Convert to fraction form
   5,567.05/7,678.83 = 3,580.12/x
3. Step 3: Cross multiply
   5,567.05x = 7,678.83 × 3,580.12
4. Step 4: Simplify right side
   5,567.05x = 27,491,132.86
5. Step 5: Solve for x
   x = 27,491,132.86/5,567.05
6. Step 6: Final answer
   x = 4,938.19