Finding the Fourth Proportional to 2,735.61, 3,775.32 and 1,556.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,735.61 : 3,775.32 = 1,556.79 : x
2. Step 2: Convert to fraction form
   2,735.61/3,775.32 = 1,556.79/x
3. Step 3: Cross multiply
   2,735.61x = 3,775.32 × 1,556.79
4. Step 4: Simplify right side
   2,735.61x = 5,877,380.42
5. Step 5: Solve for x
   x = 5,877,380.42/2,735.61
6. Step 6: Final answer
   x = 2,148.47