Finding the Fourth Proportional to 5,053.38, 7,581.12 and 2,131.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,053.38 : 7,581.12 = 2,131.71 : x
2. Step 2: Convert to fraction form
   5,053.38/7,581.12 = 2,131.71/x
3. Step 3: Cross multiply
   5,053.38x = 7,581.12 × 2,131.71
4. Step 4: Simplify right side
   5,053.38x = 16,160,749.32
5. Step 5: Solve for x
   x = 16,160,749.32/5,053.38
6. Step 6: Final answer
   x = 3,198.01