Finding the Fourth Proportional to 7,030.69, 10,554.18 and 4,111.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,030.69 : 10,554.18 = 4,111.09 : x
2. Step 2: Convert to fraction form
   7,030.69/10,554.18 = 4,111.09/x
3. Step 3: Cross multiply
   7,030.69x = 10,554.18 × 4,111.09
4. Step 4: Simplify right side
   7,030.69x = 43,389,183.86
5. Step 5: Solve for x
   x = 43,389,183.86/7,030.69
6. Step 6: Final answer
   x = 6,171.40