Finding the Fourth Proportional to 6,485.88, 8,950.50 and 3,691.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,485.88 : 8,950.50 = 3,691.38 : x
2. Step 2: Convert to fraction form
   6,485.88/8,950.50 = 3,691.38/x
3. Step 3: Cross multiply
   6,485.88x = 8,950.50 × 3,691.38
4. Step 4: Simplify right side
   6,485.88x = 33,039,696.69
5. Step 5: Solve for x
   x = 33,039,696.69/6,485.88
6. Step 6: Final answer
   x = 5,094.10