Finding the Fourth Proportional to 6,774.12, 9,348.43 and 4,085.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,774.12 : 9,348.43 = 4,085.33 : x
2. Step 2: Convert to fraction form
   6,774.12/9,348.43 = 4,085.33/x
3. Step 3: Cross multiply
   6,774.12x = 9,348.43 × 4,085.33
4. Step 4: Simplify right side
   6,774.12x = 38,191,434.69
5. Step 5: Solve for x
   x = 38,191,434.69/6,774.12
6. Step 6: Final answer
   x = 5,637.84