Finding the Fourth Proportional to 5,120.06, 7,066.37 and 2,882.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,120.06 : 7,066.37 = 2,882.38 : x
2. Step 2: Convert to fraction form
   5,120.06/7,066.37 = 2,882.38/x
3. Step 3: Cross multiply
   5,120.06x = 7,066.37 × 2,882.38
4. Step 4: Simplify right side
   5,120.06x = 20,367,913.82
5. Step 5: Solve for x
   x = 20,367,913.82/5,120.06
6. Step 6: Final answer
   x = 3,978.06