Finding the Fourth Proportional to 5,164.38, 7,126.89 and 2,806.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,164.38 : 7,126.89 = 2,806.52 : x
2. Step 2: Convert to fraction form
   5,164.38/7,126.89 = 2,806.52/x
3. Step 3: Cross multiply
   5,164.38x = 7,126.89 × 2,806.52
4. Step 4: Simplify right side
   5,164.38x = 20,001,777.14
5. Step 5: Solve for x
   x = 20,001,777.14/5,164.38
6. Step 6: Final answer
   x = 3,873.03