Finding the Fourth Proportional to 1,546.88, 2,320.71 and 681.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,546.88 : 2,320.71 = 681.39 : x
2. Step 2: Convert to fraction form
   1,546.88/2,320.71 = 681.39/x
3. Step 3: Cross multiply
   1,546.88x = 2,320.71 × 681.39
4. Step 4: Simplify right side
   1,546.88x = 1,581,308.59
5. Step 5: Solve for x
   x = 1,581,308.59/1,546.88
6. Step 6: Final answer
   x = 1,022.26