Finding the Fourth Proportional to 1,926.05, 2,887.61 and 676.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.05 : 2,887.61 = 676.31 : x
2. Step 2: Convert to fraction form
   1,926.05/2,887.61 = 676.31/x
3. Step 3: Cross multiply
   1,926.05x = 2,887.61 × 676.31
4. Step 4: Simplify right side
   1,926.05x = 1,952,901.70
5. Step 5: Solve for x
   x = 1,952,901.70/1,926.05
6. Step 6: Final answer
   x = 1,013.94