Finding the Fourth Proportional to 1,846.50, 2,547.41 and 1,128.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,846.50 : 2,547.41 = 1,128.31 : x
2. Step 2: Convert to fraction form
   1,846.50/2,547.41 = 1,128.31/x
3. Step 3: Cross multiply
   1,846.50x = 2,547.41 × 1,128.31
4. Step 4: Simplify right side
   1,846.50x = 2,874,255.44
5. Step 5: Solve for x
   x = 2,874,255.44/1,846.50
6. Step 6: Final answer
   x = 1,556.60