Finding the Fourth Proportional to 2,501.02, 3,451.27 and 1,556.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.02 : 3,451.27 = 1,556.78 : x
2. Step 2: Convert to fraction form
   2,501.02/3,451.27 = 1,556.78/x
3. Step 3: Cross multiply
   2,501.02x = 3,451.27 × 1,556.78
4. Step 4: Simplify right side
   2,501.02x = 5,372,872.85
5. Step 5: Solve for x
   x = 5,372,872.85/2,501.02
6. Step 6: Final answer
   x = 2,148.27