Finding the Fourth Proportional to 8,770.56, 12,096.64 and 5,971.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.56 : 12,096.64 = 5,971.20 : x
2. Step 2: Convert to fraction form
   8,770.56/12,096.64 = 5,971.20/x
3. Step 3: Cross multiply
   8,770.56x = 12,096.64 × 5,971.20
4. Step 4: Simplify right side
   8,770.56x = 72,231,456.77
5. Step 5: Solve for x
   x = 72,231,456.77/8,770.56
6. Step 6: Final answer
   x = 8,235.67