Finding the Fourth Proportional to 7,210.06, 10,815.06 and 2,824.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,210.06 : 10,815.06 = 2,824.42 : x
2. Step 2: Convert to fraction form
   7,210.06/10,815.06 = 2,824.42/x
3. Step 3: Cross multiply
   7,210.06x = 10,815.06 × 2,824.42
4. Step 4: Simplify right side
   7,210.06x = 30,546,271.77
5. Step 5: Solve for x
   x = 30,546,271.77/7,210.06
6. Step 6: Final answer
   x = 4,236.62