Finding the Fourth Proportional to 2,187.39, 3,015.27 and 1,556.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.39 : 3,015.27 = 1,556.04 : x
2. Step 2: Convert to fraction form
   2,187.39/3,015.27 = 1,556.04/x
3. Step 3: Cross multiply
   2,187.39x = 3,015.27 × 1,556.04
4. Step 4: Simplify right side
   2,187.39x = 4,691,880.73
5. Step 5: Solve for x
   x = 4,691,880.73/2,187.39
6. Step 6: Final answer
   x = 2,144.97