Finding the Fourth Proportional to 6,643.73, 9,167.82 and 3,810.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,643.73 : 9,167.82 = 3,810.96 : x
2. Step 2: Convert to fraction form
   6,643.73/9,167.82 = 3,810.96/x
3. Step 3: Cross multiply
   6,643.73x = 9,167.82 × 3,810.96
4. Step 4: Simplify right side
   6,643.73x = 34,938,181.02
5. Step 5: Solve for x
   x = 34,938,181.02/6,643.73
6. Step 6: Final answer
   x = 5,258.82