Finding the Fourth Proportional to 1,844.07, 2,544.78 and 1,004.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,844.07 : 2,544.78 = 1,004.78 : x
2. Step 2: Convert to fraction form
   1,844.07/2,544.78 = 1,004.78/x
3. Step 3: Cross multiply
   1,844.07x = 2,544.78 × 1,004.78
4. Step 4: Simplify right side
   1,844.07x = 2,556,947.02
5. Step 5: Solve for x
   x = 2,556,947.02/1,844.07
6. Step 6: Final answer
   x = 1,386.58