Finding the Fourth Proportional to 2,983.43, 4,476.72 and 2,168.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.43 : 4,476.72 = 2,168.45 : x
2. Step 2: Convert to fraction form
   2,983.43/4,476.72 = 2,168.45/x
3. Step 3: Cross multiply
   2,983.43x = 4,476.72 × 2,168.45
4. Step 4: Simplify right side
   2,983.43x = 9,707,543.48
5. Step 5: Solve for x
   x = 9,707,543.48/2,983.43
6. Step 6: Final answer
   x = 3,253.82