Finding the Fourth Proportional to 2,929.89, 4,391.46 and 1,628.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,929.89 : 4,391.46 = 1,628.76 : x
2. Step 2: Convert to fraction form
   2,929.89/4,391.46 = 1,628.76/x
3. Step 3: Cross multiply
   2,929.89x = 4,391.46 × 1,628.76
4. Step 4: Simplify right side
   2,929.89x = 7,152,634.39
5. Step 5: Solve for x
   x = 7,152,634.39/2,929.89
6. Step 6: Final answer
   x = 2,441.26