Finding the Fourth Proportional to 2,066.72, 2,851.58 and 1,170.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.72 : 2,851.58 = 1,170.48 : x
2. Step 2: Convert to fraction form
   2,066.72/2,851.58 = 1,170.48/x
3. Step 3: Cross multiply
   2,066.72x = 2,851.58 × 1,170.48
4. Step 4: Simplify right side
   2,066.72x = 3,337,717.36
5. Step 5: Solve for x
   x = 3,337,717.36/2,066.72
6. Step 6: Final answer
   x = 1,614.98