Finding the Fourth Proportional to 6,883.41, 9,498.78 and 3,899.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,883.41 : 9,498.78 = 3,899.17 : x
2. Step 2: Convert to fraction form
   6,883.41/9,498.78 = 3,899.17/x
3. Step 3: Cross multiply
   6,883.41x = 9,498.78 × 3,899.17
4. Step 4: Simplify right side
   6,883.41x = 37,037,369.89
5. Step 5: Solve for x
   x = 37,037,369.89/6,883.41
6. Step 6: Final answer
   x = 5,380.67