Finding the Fourth Proportional to 2,066.41, 2,851.61 and 1,170.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.41 : 2,851.61 = 1,170.02 : x
2. Step 2: Convert to fraction form
   2,066.41/2,851.61 = 1,170.02/x
3. Step 3: Cross multiply
   2,066.41x = 2,851.61 × 1,170.02
4. Step 4: Simplify right side
   2,066.41x = 3,336,442.01
5. Step 5: Solve for x
   x = 3,336,442.01/2,066.41
6. Step 6: Final answer
   x = 1,614.61