Finding the Fourth Proportional to 3,677.82, 5,075.83 and 2,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,677.82 : 5,075.83 = 2,105.88 : x
2. Step 2: Convert to fraction form
   3,677.82/5,075.83 = 2,105.88/x
3. Step 3: Cross multiply
   3,677.82x = 5,075.83 × 2,105.88
4. Step 4: Simplify right side
   3,677.82x = 10,689,088.88
5. Step 5: Solve for x
   x = 10,689,088.88/3,677.82
6. Step 6: Final answer
   x = 2,906.37