Finding the Fourth Proportional to 1,848.78, 2,771.69 and 1,067.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,848.78 : 2,771.69 = 1,067.89 : x
2. Step 2: Convert to fraction form
   1,848.78/2,771.69 = 1,067.89/x
3. Step 3: Cross multiply
   1,848.78x = 2,771.69 × 1,067.89
4. Step 4: Simplify right side
   1,848.78x = 2,959,860.03
5. Step 5: Solve for x
   x = 2,959,860.03/1,848.78
6. Step 6: Final answer
   x = 1,600.98