Finding the Fourth Proportional to 3,558.47, 4,910.54 and 2,066.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558.47 : 4,910.54 = 2,066.30 : x
2. Step 2: Convert to fraction form
   3,558.47/4,910.54 = 2,066.30/x
3. Step 3: Cross multiply
   3,558.47x = 4,910.54 × 2,066.30
4. Step 4: Simplify right side
   3,558.47x = 10,146,648.80
5. Step 5: Solve for x
   x = 10,146,648.80/3,558.47
6. Step 6: Final answer
   x = 2,851.41