Finding the Fourth Proportional to 10,844.82, 14,972.72 and 8,860.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,844.82 : 14,972.72 = 8,860.05 : x
2. Step 2: Convert to fraction form
   10,844.82/14,972.72 = 8,860.05/x
3. Step 3: Cross multiply
   10,844.82x = 14,972.72 × 8,860.05
4. Step 4: Simplify right side
   10,844.82x = 132,659,003.54
5. Step 5: Solve for x
   x = 132,659,003.54/10,844.82
6. Step 6: Final answer
   x = 12,232.48