Finding the Fourth Proportional to 7,185.72, 10,776.45 and 2,802.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,185.72 : 10,776.45 = 2,802.12 : x
2. Step 2: Convert to fraction form
   7,185.72/10,776.45 = 2,802.12/x
3. Step 3: Cross multiply
   7,185.72x = 10,776.45 × 2,802.12
4. Step 4: Simplify right side
   7,185.72x = 30,196,906.07
5. Step 5: Solve for x
   x = 30,196,906.07/7,185.72
6. Step 6: Final answer
   x = 4,202.35