Finding the Fourth Proportional to 8,872.71, 12,243.77 and 5,093.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,872.71 : 12,243.77 = 5,093.21 : x
2. Step 2: Convert to fraction form
   8,872.71/12,243.77 = 5,093.21/x
3. Step 3: Cross multiply
   8,872.71x = 12,243.77 × 5,093.21
4. Step 4: Simplify right side
   8,872.71x = 62,360,005.12
5. Step 5: Solve for x
   x = 62,360,005.12/8,872.71
6. Step 6: Final answer
   x = 7,028.29