Finding the Fourth Proportional to 7,214.18, 10,816.89 and 2,826.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,214.18 : 10,816.89 = 2,826.38 : x
2. Step 2: Convert to fraction form
   7,214.18/10,816.89 = 2,826.38/x
3. Step 3: Cross multiply
   7,214.18x = 10,816.89 × 2,826.38
4. Step 4: Simplify right side
   7,214.18x = 30,572,641.56
5. Step 5: Solve for x
   x = 30,572,641.56/7,214.18
6. Step 6: Final answer
   x = 4,237.85