Finding the Fourth Proportional to 2,983.10, 4,114.46 and 1,920.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.10 : 4,114.46 = 1,920.17 : x
2. Step 2: Convert to fraction form
   2,983.10/4,114.46 = 1,920.17/x
3. Step 3: Cross multiply
   2,983.10x = 4,114.46 × 1,920.17
4. Step 4: Simplify right side
   2,983.10x = 7,900,477.74
5. Step 5: Solve for x
   x = 7,900,477.74/2,983.10
6. Step 6: Final answer
   x = 2,648.42