Finding the Fourth Proportional to 5,214.31, 7,196.26 and 2,976.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,214.31 : 7,196.26 = 2,976.52 : x
2. Step 2: Convert to fraction form
   5,214.31/7,196.26 = 2,976.52/x
3. Step 3: Cross multiply
   5,214.31x = 7,196.26 × 2,976.52
4. Step 4: Simplify right side
   5,214.31x = 21,419,848.98
5. Step 5: Solve for x
   x = 21,419,848.98/5,214.31
6. Step 6: Final answer
   x = 4,107.90