Finding the Fourth Proportional to 3,779.57, 5,215.83 and 2,101.14

Step by Step Solution

1. Step 1: Write the proportion equation
   3,779.57 : 5,215.83 = 2,101.14 : x
2. Step 2: Convert to fraction form
   3,779.57/5,215.83 = 2,101.14/x
3. Step 3: Cross multiply
   3,779.57x = 5,215.83 × 2,101.14
4. Step 4: Simplify right side
   3,779.57x = 10,959,162.97
5. Step 5: Solve for x
   x = 10,959,162.97/3,779.57
6. Step 6: Final answer
   x = 2,899.58