Finding the Fourth Proportional to 6,661.89, 9,192.84 and 3,677.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,661.89 : 9,192.84 = 3,677.31 : x
2. Step 2: Convert to fraction form
   6,661.89/9,192.84 = 3,677.31/x
3. Step 3: Cross multiply
   6,661.89x = 9,192.84 × 3,677.31
4. Step 4: Simplify right side
   6,661.89x = 33,804,922.46
5. Step 5: Solve for x
   x = 33,804,922.46/6,661.89
6. Step 6: Final answer
   x = 5,074.37