Finding the Fourth Proportional to 2,922.89, 4,034.76 and 1,979.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,922.89 : 4,034.76 = 1,979.94 : x
2. Step 2: Convert to fraction form
   2,922.89/4,034.76 = 1,979.94/x
3. Step 3: Cross multiply
   2,922.89x = 4,034.76 × 1,979.94
4. Step 4: Simplify right side
   2,922.89x = 7,988,601.56
5. Step 5: Solve for x
   x = 7,988,601.56/2,922.89
6. Step 6: Final answer
   x = 2,733.12