Finding the Fourth Proportional to 1,556.57, 2,323.47 and 1,372.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.57 : 2,323.47 = 1,372.05 : x
2. Step 2: Convert to fraction form
   1,556.57/2,323.47 = 1,372.05/x
3. Step 3: Cross multiply
   1,556.57x = 2,323.47 × 1,372.05
4. Step 4: Simplify right side
   1,556.57x = 3,187,910.15
5. Step 5: Solve for x
   x = 3,187,910.15/1,556.57
6. Step 6: Final answer
   x = 2,048.04