Finding the Fourth Proportional to 6,804.32, 9,389.27 and 3,820.13

Step by Step Solution

1. Step 1: Write the proportion equation
   6,804.32 : 9,389.27 = 3,820.13 : x
2. Step 2: Convert to fraction form
   6,804.32/9,389.27 = 3,820.13/x
3. Step 3: Cross multiply
   6,804.32x = 9,389.27 × 3,820.13
4. Step 4: Simplify right side
   6,804.32x = 35,868,208.33
5. Step 5: Solve for x
   x = 35,868,208.33/6,804.32
6. Step 6: Final answer
   x = 5,271.39