Finding the Fourth Proportional to 1,852.80, 2,556.79 and 1,066.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,852.80 : 2,556.79 = 1,066.69 : x
2. Step 2: Convert to fraction form
   1,852.80/2,556.79 = 1,066.69/x
3. Step 3: Cross multiply
   1,852.80x = 2,556.79 × 1,066.69
4. Step 4: Simplify right side
   1,852.80x = 2,727,302.33
5. Step 5: Solve for x
   x = 2,727,302.33/1,852.80
6. Step 6: Final answer
   x = 1,471.99