Finding the Fourth Proportional to 1,852.59, 2,556.77 and 1,066.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,852.59 : 2,556.77 = 1,066.89 : x
2. Step 2: Convert to fraction form
   1,852.59/2,556.77 = 1,066.89/x
3. Step 3: Cross multiply
   1,852.59x = 2,556.77 × 1,066.89
4. Step 4: Simplify right side
   1,852.59x = 2,727,787.01
5. Step 5: Solve for x
   x = 2,727,787.01/1,852.59
6. Step 6: Final answer
   x = 1,472.42