Finding the Fourth Proportional to 10,976.70, 16,460.94 and 3,479.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,976.70 : 16,460.94 = 3,479.39 : x
2. Step 2: Convert to fraction form
   10,976.70/16,460.94 = 3,479.39/x
3. Step 3: Cross multiply
   10,976.70x = 16,460.94 × 3,479.39
4. Step 4: Simplify right side
   10,976.70x = 57,273,947.72
5. Step 5: Solve for x
   x = 57,273,947.72/10,976.70
6. Step 6: Final answer
   x = 5,217.77