Finding the Fourth Proportional to 5,216.02, 7,196.31 and 2,976.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,216.02 : 7,196.31 = 2,976.28 : x
2. Step 2: Convert to fraction form
   5,216.02/7,196.31 = 2,976.28/x
3. Step 3: Cross multiply
   5,216.02x = 7,196.31 × 2,976.28
4. Step 4: Simplify right side
   5,216.02x = 21,418,233.53
5. Step 5: Solve for x
   x = 21,418,233.53/5,216.02
6. Step 6: Final answer
   x = 4,106.24