Finding the Fourth Proportional to 3,672.10, 5,067.48 and 2,100.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.10 : 5,067.48 = 2,100.19 : x
2. Step 2: Convert to fraction form
   3,672.10/5,067.48 = 2,100.19/x
3. Step 3: Cross multiply
   3,672.10x = 5,067.48 × 2,100.19
4. Step 4: Simplify right side
   3,672.10x = 10,642,670.82
5. Step 5: Solve for x
   x = 10,642,670.82/3,672.10
6. Step 6: Final answer
   x = 2,898.25