Finding the Fourth Proportional to 3,936.55, 5,906.20 and 1,746.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936.55 : 5,906.20 = 1,746.82 : x
2. Step 2: Convert to fraction form
   3,936.55/5,906.20 = 1,746.82/x
3. Step 3: Cross multiply
   3,936.55x = 5,906.20 × 1,746.82
4. Step 4: Simplify right side
   3,936.55x = 10,317,068.28
5. Step 5: Solve for x
   x = 10,317,068.28/3,936.55
6. Step 6: Final answer
   x = 2,620.84