Finding the Fourth Proportional to 1,761.83, 2,431 and 1,015.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.83 : 2,431 = 1,015.82 : x
2. Step 2: Convert to fraction form
   1,761.83/2,431 = 1,015.82/x
3. Step 3: Cross multiply
   1,761.83x = 2,431 × 1,015.82
4. Step 4: Simplify right side
   1,761.83x = 2,469,458.42
5. Step 5: Solve for x
   x = 2,469,458.42/1,761.83
6. Step 6: Final answer
   x = 1,401.64