Finding the Fourth Proportional to 2,983.88, 4,116.33 and 2,100.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.88 : 4,116.33 = 2,100.17 : x
2. Step 2: Convert to fraction form
   2,983.88/4,116.33 = 2,100.17/x
3. Step 3: Cross multiply
   2,983.88x = 4,116.33 × 2,100.17
4. Step 4: Simplify right side
   2,983.88x = 8,644,992.78
5. Step 5: Solve for x
   x = 8,644,992.78/2,983.88
6. Step 6: Final answer
   x = 2,897.23