Finding the Fourth Proportional to 6,883.70, 9,499.31 and 3,739.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,883.70 : 9,499.31 = 3,739.89 : x
2. Step 2: Convert to fraction form
   6,883.70/9,499.31 = 3,739.89/x
3. Step 3: Cross multiply
   6,883.70x = 9,499.31 × 3,739.89
4. Step 4: Simplify right side
   6,883.70x = 35,526,355.78
5. Step 5: Solve for x
   x = 35,526,355.78/6,883.70
6. Step 6: Final answer
   x = 5,160.94