Finding the Fourth Proportional to 2,066.78, 2,852.22 and 1,182.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.78 : 2,852.22 = 1,182.87 : x
2. Step 2: Convert to fraction form
   2,066.78/2,852.22 = 1,182.87/x
3. Step 3: Cross multiply
   2,066.78x = 2,852.22 × 1,182.87
4. Step 4: Simplify right side
   2,066.78x = 3,373,809.91
5. Step 5: Solve for x
   x = 3,373,809.91/2,066.78
6. Step 6: Final answer
   x = 1,632.40