Finding the Fourth Proportional to 1,839.50, 2,760.56 and 1,018.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.50 : 2,760.56 = 1,018.43 : x
2. Step 2: Convert to fraction form
   1,839.50/2,760.56 = 1,018.43/x
3. Step 3: Cross multiply
   1,839.50x = 2,760.56 × 1,018.43
4. Step 4: Simplify right side
   1,839.50x = 2,811,437.12
5. Step 5: Solve for x
   x = 2,811,437.12/1,839.50
6. Step 6: Final answer
   x = 1,528.37