Finding the Fourth Proportional to 6,774.30, 9,348.24 and 3,789.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,774.30 : 9,348.24 = 3,789.57 : x
2. Step 2: Convert to fraction form
   6,774.30/9,348.24 = 3,789.57/x
3. Step 3: Cross multiply
   6,774.30x = 9,348.24 × 3,789.57
4. Step 4: Simplify right side
   6,774.30x = 35,425,809.86
5. Step 5: Solve for x
   x = 35,425,809.86/6,774.30
6. Step 6: Final answer
   x = 5,229.44