Finding the Fourth Proportional to 3,779.83, 5,216.33 and 2,101.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,779.83 : 5,216.33 = 2,101.17 : x
2. Step 2: Convert to fraction form
   3,779.83/5,216.33 = 2,101.17/x
3. Step 3: Cross multiply
   3,779.83x = 5,216.33 × 2,101.17
4. Step 4: Simplify right side
   3,779.83x = 10,960,420.92
5. Step 5: Solve for x
   x = 10,960,420.92/3,779.83
6. Step 6: Final answer
   x = 2,899.71