Finding the Fourth Proportional to 6,412.50, 8,849.25 and 3,618

Step by Step Solution

1. Step 1: Write the proportion equation
   6,412.50 : 8,849.25 = 3,618 : x
2. Step 2: Convert to fraction form
   6,412.50/8,849.25 = 3,618/x
3. Step 3: Cross multiply
   6,412.50x = 8,849.25 × 3,618
4. Step 4: Simplify right side
   6,412.50x = 32,016,586.50
5. Step 5: Solve for x
   x = 32,016,586.50/6,412.50
6. Step 6: Final answer
   x = 4,992.84