Finding the Fourth Proportional to 1,284.76, 1,922.82 and 1,066.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284.76 : 1,922.82 = 1,066.60 : x
2. Step 2: Convert to fraction form
   1,284.76/1,922.82 = 1,066.60/x
3. Step 3: Cross multiply
   1,284.76x = 1,922.82 × 1,066.60
4. Step 4: Simplify right side
   1,284.76x = 2,050,879.81
5. Step 5: Solve for x
   x = 2,050,879.81/1,284.76
6. Step 6: Final answer
   x = 1,596.31