Finding the Fourth Proportional to 7,826.54, 10,800.70 and 4,289.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,826.54 : 10,800.70 = 4,289.82 : x
2. Step 2: Convert to fraction form
   7,826.54/10,800.70 = 4,289.82/x
3. Step 3: Cross multiply
   7,826.54x = 10,800.70 × 4,289.82
4. Step 4: Simplify right side
   7,826.54x = 46,333,058.87
5. Step 5: Solve for x
   x = 46,333,058.87/7,826.54
6. Step 6: Final answer
   x = 5,919.99