Finding the Fourth Proportional to 7,213.72, 10,826.72 and 2,834.24

Step by Step Solution

1. Step 1: Write the proportion equation
   7,213.72 : 10,826.72 = 2,834.24 : x
2. Step 2: Convert to fraction form
   7,213.72/10,826.72 = 2,834.24/x
3. Step 3: Cross multiply
   7,213.72x = 10,826.72 × 2,834.24
4. Step 4: Simplify right side
   7,213.72x = 30,685,522.89
5. Step 5: Solve for x
   x = 30,685,522.89/7,213.72
6. Step 6: Final answer
   x = 4,253.77