Finding the Fourth Proportional to 3,672.14, 5,067.54 and 2,100.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.14 : 5,067.54 = 2,100.20 : x
2. Step 2: Convert to fraction form
   3,672.14/5,067.54 = 2,100.20/x
3. Step 3: Cross multiply
   3,672.14x = 5,067.54 × 2,100.20
4. Step 4: Simplify right side
   3,672.14x = 10,642,847.51
5. Step 5: Solve for x
   x = 10,642,847.51/3,672.14
6. Step 6: Final answer
   x = 2,898.27