Finding the Fourth Proportional to 3,672.36, 5,067.86 and 1,993.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.36 : 5,067.86 = 1,993.76 : x
2. Step 2: Convert to fraction form
   3,672.36/5,067.86 = 1,993.76/x
3. Step 3: Cross multiply
   3,672.36x = 5,067.86 × 1,993.76
4. Step 4: Simplify right side
   3,672.36x = 10,104,096.55
5. Step 5: Solve for x
   x = 10,104,096.55/3,672.36
6. Step 6: Final answer
   x = 2,751.39