Finding the Fourth Proportional to 5,828.77, 8,040.72 and 3,813.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,828.77 : 8,040.72 = 3,813.35 : x
2. Step 2: Convert to fraction form
   5,828.77/8,040.72 = 3,813.35/x
3. Step 3: Cross multiply
   5,828.77x = 8,040.72 × 3,813.35
4. Step 4: Simplify right side
   5,828.77x = 30,662,100.10
5. Step 5: Solve for x
   x = 30,662,100.10/5,828.77
6. Step 6: Final answer
   x = 5,260.47