Finding the Fourth Proportional to 8,807.73, 12,153.81 and 5,270.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.73 : 12,153.81 = 5,270.86 : x
2. Step 2: Convert to fraction form
   8,807.73/12,153.81 = 5,270.86/x
3. Step 3: Cross multiply
   8,807.73x = 12,153.81 × 5,270.86
4. Step 4: Simplify right side
   8,807.73x = 64,061,030.98
5. Step 5: Solve for x
   x = 64,061,030.98/8,807.73
6. Step 6: Final answer
   x = 7,273.27