Finding the Fourth Proportional to 6,789.40, 9,368.88 and 3,764.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,789.40 : 9,368.88 = 3,764.29 : x
2. Step 2: Convert to fraction form
   6,789.40/9,368.88 = 3,764.29/x
3. Step 3: Cross multiply
   6,789.40x = 9,368.88 × 3,764.29
4. Step 4: Simplify right side
   6,789.40x = 35,267,181.30
5. Step 5: Solve for x
   x = 35,267,181.30/6,789.40
6. Step 6: Final answer
   x = 5,194.45