Finding the Fourth Proportional to 3,718.72, 5,131.04 and 2,227.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,718.72 : 5,131.04 = 2,227.52 : x
2. Step 2: Convert to fraction form
   3,718.72/5,131.04 = 2,227.52/x
3. Step 3: Cross multiply
   3,718.72x = 5,131.04 × 2,227.52
4. Step 4: Simplify right side
   3,718.72x = 11,429,494.22
5. Step 5: Solve for x
   x = 11,429,494.22/3,718.72
6. Step 6: Final answer
   x = 3,073.50