Finding the Fourth Proportional to 2,793.89, 4,182.64 and 1,958.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,793.89 : 4,182.64 = 1,958.05 : x
2. Step 2: Convert to fraction form
   2,793.89/4,182.64 = 1,958.05/x
3. Step 3: Cross multiply
   2,793.89x = 4,182.64 × 1,958.05
4. Step 4: Simplify right side
   2,793.89x = 8,189,806.82
5. Step 5: Solve for x
   x = 8,189,806.82/2,793.89
6. Step 6: Final answer
   x = 2,931.32