Finding the Fourth Proportional to 5,858.56, 8,083.20 and 3,499.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,858.56 : 8,083.20 = 3,499.84 : x
2. Step 2: Convert to fraction form
   5,858.56/8,083.20 = 3,499.84/x
3. Step 3: Cross multiply
   5,858.56x = 8,083.20 × 3,499.84
4. Step 4: Simplify right side
   5,858.56x = 28,289,906.69
5. Step 5: Solve for x
   x = 28,289,906.69/5,858.56
6. Step 6: Final answer
   x = 4,828.82