Finding the Fourth Proportional to 8,770.24, 12,105.60 and 5,977.36

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.24 : 12,105.60 = 5,977.36 : x
2. Step 2: Convert to fraction form
   8,770.24/12,105.60 = 5,977.36/x
3. Step 3: Cross multiply
   8,770.24x = 12,105.60 × 5,977.36
4. Step 4: Simplify right side
   8,770.24x = 72,359,529.22
5. Step 5: Solve for x
   x = 72,359,529.22/8,770.24
6. Step 6: Final answer
   x = 8,250.58