Finding the Fourth Proportional to 2,066.17, 2,851.21 and 1,182.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.17 : 2,851.21 = 1,182.07 : x
2. Step 2: Convert to fraction form
   2,066.17/2,851.21 = 1,182.07/x
3. Step 3: Cross multiply
   2,066.17x = 2,851.21 × 1,182.07
4. Step 4: Simplify right side
   2,066.17x = 3,370,329.80
5. Step 5: Solve for x
   x = 3,370,329.80/2,066.17
6. Step 6: Final answer
   x = 1,631.20