Finding the Fourth Proportional to 6,222.68, 8,595.72 and 5,779.83

Step by Step Solution

1. Step 1: Write the proportion equation
   6,222.68 : 8,595.72 = 5,779.83 : x
2. Step 2: Convert to fraction form
   6,222.68/8,595.72 = 5,779.83/x
3. Step 3: Cross multiply
   6,222.68x = 8,595.72 × 5,779.83
4. Step 4: Simplify right side
   6,222.68x = 49,681,800.33
5. Step 5: Solve for x
   x = 49,681,800.33/6,222.68
6. Step 6: Final answer
   x = 7,983.99