Finding the Fourth Proportional to 7,028.62, 9,697.89 and 4,196.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,028.62 : 9,697.89 = 4,196.91 : x
2. Step 2: Convert to fraction form
   7,028.62/9,697.89 = 4,196.91/x
3. Step 3: Cross multiply
   7,028.62x = 9,697.89 × 4,196.91
4. Step 4: Simplify right side
   7,028.62x = 40,701,139.09
5. Step 5: Solve for x
   x = 40,701,139.09/7,028.62
6. Step 6: Final answer
   x = 5,790.78