Finding the Fourth Proportional to 3,558.47, 4,910.96 and 2,066.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558.47 : 4,910.96 = 2,066.85 : x
2. Step 2: Convert to fraction form
   3,558.47/4,910.96 = 2,066.85/x
3. Step 3: Cross multiply
   3,558.47x = 4,910.96 × 2,066.85
4. Step 4: Simplify right side
   3,558.47x = 10,150,222.84
5. Step 5: Solve for x
   x = 10,150,222.84/3,558.47
6. Step 6: Final answer
   x = 2,852.42