Finding the Fourth Proportional to 1,958.76, 2,935.82 and 860.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,958.76 : 2,935.82 = 860.83 : x
2. Step 2: Convert to fraction form
   1,958.76/2,935.82 = 860.83/x
3. Step 3: Cross multiply
   1,958.76x = 2,935.82 × 860.83
4. Step 4: Simplify right side
   1,958.76x = 2,527,236.74
5. Step 5: Solve for x
   x = 2,527,236.74/1,958.76
6. Step 6: Final answer
   x = 1,290.22