Finding the Fourth Proportional to 8,477.82, 12,699.72 and 4,082.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,477.82 : 12,699.72 = 4,082.22 : x
2. Step 2: Convert to fraction form
   8,477.82/12,699.72 = 4,082.22/x
3. Step 3: Cross multiply
   8,477.82x = 12,699.72 × 4,082.22
4. Step 4: Simplify right side
   8,477.82x = 51,843,050.98
5. Step 5: Solve for x
   x = 51,843,050.98/8,477.82
6. Step 6: Final answer
   x = 6,115.14