Finding the Fourth Proportional to 6,804.02, 9,390.09 and 3,820.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,804.02 : 9,390.09 = 3,820.05 : x
2. Step 2: Convert to fraction form
   6,804.02/9,390.09 = 3,820.05/x
3. Step 3: Cross multiply
   6,804.02x = 9,390.09 × 3,820.05
4. Step 4: Simplify right side
   6,804.02x = 35,870,613.30
5. Step 5: Solve for x
   x = 35,870,613.30/6,804.02
6. Step 6: Final answer
   x = 5,271.97