Finding the Fourth Proportional to 2,735.36, 3,774.72 and 1,556.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,735.36 : 3,774.72 = 1,556.40 : x
2. Step 2: Convert to fraction form
   2,735.36/3,774.72 = 1,556.40/x
3. Step 3: Cross multiply
   2,735.36x = 3,774.72 × 1,556.40
4. Step 4: Simplify right side
   2,735.36x = 5,874,974.21
5. Step 5: Solve for x
   x = 5,874,974.21/2,735.36
6. Step 6: Final answer
   x = 2,147.79