Finding the Fourth Proportional to 8,049.55, 12,057.72 and 5,971.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,049.55 : 12,057.72 = 5,971.90 : x
2. Step 2: Convert to fraction form
   8,049.55/12,057.72 = 5,971.90/x
3. Step 3: Cross multiply
   8,049.55x = 12,057.72 × 5,971.90
4. Step 4: Simplify right side
   8,049.55x = 72,007,498.07
5. Step 5: Solve for x
   x = 72,007,498.07/8,049.55
6. Step 6: Final answer
   x = 8,945.53