Finding the Fourth Proportional to 3,672.22, 5,067.76 and 2,100.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.22 : 5,067.76 = 2,100.46 : x
2. Step 2: Convert to fraction form
   3,672.22/5,067.76 = 2,100.46/x
3. Step 3: Cross multiply
   3,672.22x = 5,067.76 × 2,100.46
4. Step 4: Simplify right side
   3,672.22x = 10,644,627.17
5. Step 5: Solve for x
   x = 10,644,627.17/3,672.22
6. Step 6: Final answer
   x = 2,898.69