Finding the Fourth Proportional to 5,214.34, 7,196.30 and 2,976.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,214.34 : 7,196.30 = 2,976.55 : x
2. Step 2: Convert to fraction form
   5,214.34/7,196.30 = 2,976.55/x
3. Step 3: Cross multiply
   5,214.34x = 7,196.30 × 2,976.55
4. Step 4: Simplify right side
   5,214.34x = 21,420,168.78
5. Step 5: Solve for x
   x = 21,420,168.78/5,214.34
6. Step 6: Final answer
   x = 4,107.94