Finding the Fourth Proportional to 3,946.52, 5,920.34 and 1,755.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946.52 : 5,920.34 = 1,755.20 : x
2. Step 2: Convert to fraction form
   3,946.52/5,920.34 = 1,755.20/x
3. Step 3: Cross multiply
   3,946.52x = 5,920.34 × 1,755.20
4. Step 4: Simplify right side
   3,946.52x = 10,391,380.77
5. Step 5: Solve for x
   x = 10,391,380.77/3,946.52
6. Step 6: Final answer
   x = 2,633.05