Finding the Fourth Proportional to 8,771.27, 13,160.01 and 5,480.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,771.27 : 13,160.01 = 5,480.51 : x
2. Step 2: Convert to fraction form
   8,771.27/13,160.01 = 5,480.51/x
3. Step 3: Cross multiply
   8,771.27x = 13,160.01 × 5,480.51
4. Step 4: Simplify right side
   8,771.27x = 72,123,566.41
5. Step 5: Solve for x
   x = 72,123,566.41/8,771.27
6. Step 6: Final answer
   x = 8,222.71