Finding the Fourth Proportional to 2,959.94, 4,084.83 and 1,912.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,959.94 : 4,084.83 = 1,912.01 : x
2. Step 2: Convert to fraction form
   2,959.94/4,084.83 = 1,912.01/x
3. Step 3: Cross multiply
   2,959.94x = 4,084.83 × 1,912.01
4. Step 4: Simplify right side
   2,959.94x = 7,810,215.38
5. Step 5: Solve for x
   x = 7,810,215.38/2,959.94
6. Step 6: Final answer
   x = 2,638.64