Finding the Fourth Proportional to 1,556.28, 2,144.61 and 1,302.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.28 : 2,144.61 = 1,302.89 : x
2. Step 2: Convert to fraction form
   1,556.28/2,144.61 = 1,302.89/x
3. Step 3: Cross multiply
   1,556.28x = 2,144.61 × 1,302.89
4. Step 4: Simplify right side
   1,556.28x = 2,794,180.20
5. Step 5: Solve for x
   x = 2,794,180.20/1,556.28
6. Step 6: Final answer
   x = 1,795.42