Finding the Fourth Proportional to 1,842.89, 2,544.09 and 1,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,842.89 : 2,544.09 = 1,256.50 : x
2. Step 2: Convert to fraction form
   1,842.89/2,544.09 = 1,256.50/x
3. Step 3: Cross multiply
   1,842.89x = 2,544.09 × 1,256.50
4. Step 4: Simplify right side
   1,842.89x = 3,196,640.31
5. Step 5: Solve for x
   x = 3,196,640.31/1,842.89
6. Step 6: Final answer
   x = 1,734.58