Finding the Fourth Proportional to 8,046.98, 12,074.31 and 2,855.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,046.98 : 12,074.31 = 2,855.30 : x
2. Step 2: Convert to fraction form
   8,046.98/12,074.31 = 2,855.30/x
3. Step 3: Cross multiply
   8,046.98x = 12,074.31 × 2,855.30
4. Step 4: Simplify right side
   8,046.98x = 34,475,777.34
5. Step 5: Solve for x
   x = 34,475,777.34/8,046.98
6. Step 6: Final answer
   x = 4,284.31