Finding the Fourth Proportional to 1,541.78, 2,127.69 and 944.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,541.78 : 2,127.69 = 944.20 : x
2. Step 2: Convert to fraction form
   1,541.78/2,127.69 = 944.20/x
3. Step 3: Cross multiply
   1,541.78x = 2,127.69 × 944.20
4. Step 4: Simplify right side
   1,541.78x = 2,008,959.58
5. Step 5: Solve for x
   x = 2,008,959.58/1,541.78
6. Step 6: Final answer
   x = 1,303.02