Finding the Fourth Proportional to 3,672.56, 5,067.88 and 2,100.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.56 : 5,067.88 = 2,100.56 : x
2. Step 2: Convert to fraction form
   3,672.56/5,067.88 = 2,100.56/x
3. Step 3: Cross multiply
   3,672.56x = 5,067.88 × 2,100.56
4. Step 4: Simplify right side
   3,672.56x = 10,645,386.01
5. Step 5: Solve for x
   x = 10,645,386.01/3,672.56
6. Step 6: Final answer
   x = 2,898.63