Finding the Fourth Proportional to 8,185.73, 12,281.90 and 3,506.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,185.73 : 12,281.90 = 3,506.76 : x
2. Step 2: Convert to fraction form
   8,185.73/12,281.90 = 3,506.76/x
3. Step 3: Cross multiply
   8,185.73x = 12,281.90 × 3,506.76
4. Step 4: Simplify right side
   8,185.73x = 43,069,658.11
5. Step 5: Solve for x
   x = 43,069,658.11/8,185.73
6. Step 6: Final answer
   x = 5,261.56