Finding the Fourth Proportional to 3,826.78, 5,741.38 and 1,746.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,826.78 : 5,741.38 = 1,746.70 : x
2. Step 2: Convert to fraction form
   3,826.78/5,741.38 = 1,746.70/x
3. Step 3: Cross multiply
   3,826.78x = 5,741.38 × 1,746.70
4. Step 4: Simplify right side
   3,826.78x = 10,028,468.45
5. Step 5: Solve for x
   x = 10,028,468.45/3,826.78
6. Step 6: Final answer
   x = 2,620.60