Finding the Fourth Proportional to 3,066.59, 4,600.56 and 1,118.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,066.59 : 4,600.56 = 1,118.78 : x
2. Step 2: Convert to fraction form
   3,066.59/4,600.56 = 1,118.78/x
3. Step 3: Cross multiply
   3,066.59x = 4,600.56 × 1,118.78
4. Step 4: Simplify right side
   3,066.59x = 5,147,023.22
5. Step 5: Solve for x
   x = 5,147,023.22/3,066.59
6. Step 6: Final answer
   x = 1,678.42