Finding the Fourth Proportional to 1,541.88, 2,127.83 and 843.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,541.88 : 2,127.83 = 843.30 : x
2. Step 2: Convert to fraction form
   1,541.88/2,127.83 = 843.30/x
3. Step 3: Cross multiply
   1,541.88x = 2,127.83 × 843.30
4. Step 4: Simplify right side
   1,541.88x = 1,794,399.04
5. Step 5: Solve for x
   x = 1,794,399.04/1,541.88
6. Step 6: Final answer
   x = 1,163.77