Finding the Fourth Proportional to 3,975.98, 5,487.03 and 2,208.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,975.98 : 5,487.03 = 2,208.15 : x
2. Step 2: Convert to fraction form
   3,975.98/5,487.03 = 2,208.15/x
3. Step 3: Cross multiply
   3,975.98x = 5,487.03 × 2,208.15
4. Step 4: Simplify right side
   3,975.98x = 12,116,185.29
5. Step 5: Solve for x
   x = 12,116,185.29/3,975.98
6. Step 6: Final answer
   x = 3,047.35