Finding the Fourth Proportional to 5,164.41, 7,126.91 and 2,806.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,164.41 : 7,126.91 = 2,806.56 : x
2. Step 2: Convert to fraction form
   5,164.41/7,126.91 = 2,806.56/x
3. Step 3: Cross multiply
   5,164.41x = 7,126.91 × 2,806.56
4. Step 4: Simplify right side
   5,164.41x = 20,002,086.50
5. Step 5: Solve for x
   x = 20,002,086.50/5,164.41
6. Step 6: Final answer
   x = 3,873.06