Finding the Fourth Proportional to 1,562.43, 2,151.75 and 1,528.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.43 : 2,151.75 = 1,528.41 : x
2. Step 2: Convert to fraction form
   1,562.43/2,151.75 = 1,528.41/x
3. Step 3: Cross multiply
   1,562.43x = 2,151.75 × 1,528.41
4. Step 4: Simplify right side
   1,562.43x = 3,288,756.22
5. Step 5: Solve for x
   x = 3,288,756.22/1,562.43
6. Step 6: Final answer
   x = 2,104.90