Finding the Fourth Proportional to 3,976.23, 5,487.12 and 2,207.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.23 : 5,487.12 = 2,207.82 : x
2. Step 2: Convert to fraction form
   3,976.23/5,487.12 = 2,207.82/x
3. Step 3: Cross multiply
   3,976.23x = 5,487.12 × 2,207.82
4. Step 4: Simplify right side
   3,976.23x = 12,114,573.28
5. Step 5: Solve for x
   x = 12,114,573.28/3,976.23
6. Step 6: Final answer
   x = 3,046.75