Finding the Fourth Proportional to 1,375.58, 2,063.12 and 682.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.58 : 2,063.12 = 682.02 : x
2. Step 2: Convert to fraction form
   1,375.58/2,063.12 = 682.02/x
3. Step 3: Cross multiply
   1,375.58x = 2,063.12 × 682.02
4. Step 4: Simplify right side
   1,375.58x = 1,407,085.69
5. Step 5: Solve for x
   x = 1,407,085.69/1,375.58
6. Step 6: Final answer
   x = 1,022.91