Finding the Fourth Proportional to 2,832.42, 3,908.72 and 1,556.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,832.42 : 3,908.72 = 1,556.32 : x
2. Step 2: Convert to fraction form
   2,832.42/3,908.72 = 1,556.32/x
3. Step 3: Cross multiply
   2,832.42x = 3,908.72 × 1,556.32
4. Step 4: Simplify right side
   2,832.42x = 6,083,222.05
5. Step 5: Solve for x
   x = 6,083,222.05/2,832.42
6. Step 6: Final answer
   x = 2,147.71