Finding the Fourth Proportional to 6,883.29, 9,498.60 and 3,899.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,883.29 : 9,498.60 = 3,899.05 : x
2. Step 2: Convert to fraction form
   6,883.29/9,498.60 = 3,899.05/x
3. Step 3: Cross multiply
   6,883.29x = 9,498.60 × 3,899.05
4. Step 4: Simplify right side
   6,883.29x = 37,035,516.33
5. Step 5: Solve for x
   x = 37,035,516.33/6,883.29
6. Step 6: Final answer
   x = 5,380.50