Finding the Fourth Proportional to 5,216.49, 7,196.97 and 2,976.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,216.49 : 7,196.97 = 2,976.76 : x
2. Step 2: Convert to fraction form
   5,216.49/7,196.97 = 2,976.76/x
3. Step 3: Cross multiply
   5,216.49x = 7,196.97 × 2,976.76
4. Step 4: Simplify right side
   5,216.49x = 21,423,645.59
5. Step 5: Solve for x
   x = 21,423,645.59/5,216.49
6. Step 6: Final answer
   x = 4,106.91