Finding the Fourth Proportional to 3,976.69, 5,488.09 and 2,298.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.69 : 5,488.09 = 2,298.17 : x
2. Step 2: Convert to fraction form
   3,976.69/5,488.09 = 2,298.17/x
3. Step 3: Cross multiply
   3,976.69x = 5,488.09 × 2,298.17
4. Step 4: Simplify right side
   3,976.69x = 12,612,563.80
5. Step 5: Solve for x
   x = 12,612,563.80/3,976.69
6. Step 6: Final answer
   x = 3,171.62