Finding the Fourth Proportional to 7,321.27, 10,103.40 and 4,091.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,321.27 : 10,103.40 = 4,091.09 : x
2. Step 2: Convert to fraction form
   7,321.27/10,103.40 = 4,091.09/x
3. Step 3: Cross multiply
   7,321.27x = 10,103.40 × 4,091.09
4. Step 4: Simplify right side
   7,321.27x = 41,333,918.71
5. Step 5: Solve for x
   x = 41,333,918.71/7,321.27
6. Step 6: Final answer
   x = 5,645.73