Finding the Fourth Proportional to 2,676.69, 4,015.32 and 921.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,676.69 : 4,015.32 = 921.82 : x
2. Step 2: Convert to fraction form
   2,676.69/4,015.32 = 921.82/x
3. Step 3: Cross multiply
   2,676.69x = 4,015.32 × 921.82
4. Step 4: Simplify right side
   2,676.69x = 3,701,402.28
5. Step 5: Solve for x
   x = 3,701,402.28/2,676.69
6. Step 6: Final answer
   x = 1,382.83