Finding the Fourth Proportional to 8,805.55, 12,151.32 and 5,270.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,805.55 : 12,151.32 = 5,270.71 : x
2. Step 2: Convert to fraction form
   8,805.55/12,151.32 = 5,270.71/x
3. Step 3: Cross multiply
   8,805.55x = 12,151.32 × 5,270.71
4. Step 4: Simplify right side
   8,805.55x = 64,046,083.84
5. Step 5: Solve for x
   x = 64,046,083.84/8,805.55
6. Step 6: Final answer
   x = 7,273.38