Finding the Fourth Proportional to 1,375.32, 2,061.42 and 682.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.32 : 2,061.42 = 682.48 : x
2. Step 2: Convert to fraction form
   1,375.32/2,061.42 = 682.48/x
3. Step 3: Cross multiply
   1,375.32x = 2,061.42 × 682.48
4. Step 4: Simplify right side
   1,375.32x = 1,406,880.80
5. Step 5: Solve for x
   x = 1,406,880.80/1,375.32
6. Step 6: Final answer
   x = 1,022.95