Finding the Fourth Proportional to 3,557.37, 4,908.90 and 2,065.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,557.37 : 4,908.90 = 2,065.05 : x
2. Step 2: Convert to fraction form
   3,557.37/4,908.90 = 2,065.05/x
3. Step 3: Cross multiply
   3,557.37x = 4,908.90 × 2,065.05
4. Step 4: Simplify right side
   3,557.37x = 10,137,131.69
5. Step 5: Solve for x
   x = 10,137,131.69/3,557.37
6. Step 6: Final answer
   x = 2,849.61