Finding the Fourth Proportional to 2,083.49, 3,124.91 and 622.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.49 : 3,124.91 = 622.76 : x
2. Step 2: Convert to fraction form
   2,083.49/3,124.91 = 622.76/x
3. Step 3: Cross multiply
   2,083.49x = 3,124.91 × 622.76
4. Step 4: Simplify right side
   2,083.49x = 1,946,078.32
5. Step 5: Solve for x
   x = 1,946,078.32/2,083.49
6. Step 6: Final answer
   x = 934.05