Finding the Fourth Proportional to 2,929.44, 4,395.89 and 1,081.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,929.44 : 4,395.89 = 1,081.85 : x
2. Step 2: Convert to fraction form
   2,929.44/4,395.89 = 1,081.85/x
3. Step 3: Cross multiply
   2,929.44x = 4,395.89 × 1,081.85
4. Step 4: Simplify right side
   2,929.44x = 4,755,693.60
5. Step 5: Solve for x
   x = 4,755,693.60/2,929.44
6. Step 6: Final answer
   x = 1,623.41