Finding the Fourth Proportional to 3,558.06, 4,911.24 and 2,066.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558.06 : 4,911.24 = 2,066.70 : x
2. Step 2: Convert to fraction form
   3,558.06/4,911.24 = 2,066.70/x
3. Step 3: Cross multiply
   3,558.06x = 4,911.24 × 2,066.70
4. Step 4: Simplify right side
   3,558.06x = 10,150,059.71
5. Step 5: Solve for x
   x = 10,150,059.71/3,558.06
6. Step 6: Final answer
   x = 2,852.69