Finding the Fourth Proportional to 3,676.88, 5,075.24 and 2,106.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.88 : 5,075.24 = 2,106.04 : x
2. Step 2: Convert to fraction form
   3,676.88/5,075.24 = 2,106.04/x
3. Step 3: Cross multiply
   3,676.88x = 5,075.24 × 2,106.04
4. Step 4: Simplify right side
   3,676.88x = 10,688,658.45
5. Step 5: Solve for x
   x = 10,688,658.45/3,676.88
6. Step 6: Final answer
   x = 2,906.99