Finding the Fourth Proportional to 3,558.77, 4,910.73 and 2,066.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558.77 : 4,910.73 = 2,066.39 : x
2. Step 2: Convert to fraction form
   3,558.77/4,910.73 = 2,066.39/x
3. Step 3: Cross multiply
   3,558.77x = 4,910.73 × 2,066.39
4. Step 4: Simplify right side
   3,558.77x = 10,147,496.61
5. Step 5: Solve for x
   x = 10,147,496.61/3,558.77
6. Step 6: Final answer
   x = 2,851.41