Finding the Fourth Proportional to 7,179.50, 10,769.12 and 3,913.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,179.50 : 10,769.12 = 3,913.38 : x
2. Step 2: Convert to fraction form
   7,179.50/10,769.12 = 3,913.38/x
3. Step 3: Cross multiply
   7,179.50x = 10,769.12 × 3,913.38
4. Step 4: Simplify right side
   7,179.50x = 42,143,658.83
5. Step 5: Solve for x
   x = 42,143,658.83/7,179.50
6. Step 6: Final answer
   x = 5,870.00