Finding the Fourth Proportional to 3,779.49, 5,216.54 and 2,101.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,779.49 : 5,216.54 = 2,101.49 : x
2. Step 2: Convert to fraction form
   3,779.49/5,216.54 = 2,101.49/x
3. Step 3: Cross multiply
   3,779.49x = 5,216.54 × 2,101.49
4. Step 4: Simplify right side
   3,779.49x = 10,962,485.82
5. Step 5: Solve for x
   x = 10,962,485.82/3,779.49
6. Step 6: Final answer
   x = 2,900.52