Finding the Fourth Proportional to 7,214.52, 10,815.32 and 2,835.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,214.52 : 10,815.32 = 2,835.02 : x
2. Step 2: Convert to fraction form
   7,214.52/10,815.32 = 2,835.02/x
3. Step 3: Cross multiply
   7,214.52x = 10,815.32 × 2,835.02
4. Step 4: Simplify right side
   7,214.52x = 30,661,648.51
5. Step 5: Solve for x
   x = 30,661,648.51/7,214.52
6. Step 6: Final answer
   x = 4,249.99