Finding the Fourth Proportional to 2,556.34, 3,528.02 and 1,562.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.34 : 3,528.02 = 1,562.20 : x
2. Step 2: Convert to fraction form
   2,556.34/3,528.02 = 1,562.20/x
3. Step 3: Cross multiply
   2,556.34x = 3,528.02 × 1,562.20
4. Step 4: Simplify right side
   2,556.34x = 5,511,472.84
5. Step 5: Solve for x
   x = 5,511,472.84/2,556.34
6. Step 6: Final answer
   x = 2,156.00