Finding the Fourth Proportional to 3,976.34, 5,488.34 and 2,298.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.34 : 5,488.34 = 2,298.71 : x
2. Step 2: Convert to fraction form
   3,976.34/5,488.34 = 2,298.71/x
3. Step 3: Cross multiply
   3,976.34x = 5,488.34 × 2,298.71
4. Step 4: Simplify right side
   3,976.34x = 12,616,063.11
5. Step 5: Solve for x
   x = 12,616,063.11/3,976.34
6. Step 6: Final answer
   x = 3,172.79