Finding the Fourth Proportional to 6,883.19, 9,498.82 and 3,899.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,883.19 : 9,498.82 = 3,899.57 : x
2. Step 2: Convert to fraction form
   6,883.19/9,498.82 = 3,899.57/x
3. Step 3: Cross multiply
   6,883.19x = 9,498.82 × 3,899.57
4. Step 4: Simplify right side
   6,883.19x = 37,041,313.51
5. Step 5: Solve for x
   x = 37,041,313.51/6,883.19
6. Step 6: Final answer
   x = 5,381.42