Finding the Fourth Proportional to 11,131.05, 16,672.27 and 4,882.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.05 : 16,672.27 = 4,882.71 : x
2. Step 2: Convert to fraction form
   11,131.05/16,672.27 = 4,882.71/x
3. Step 3: Cross multiply
   11,131.05x = 16,672.27 × 4,882.71
4. Step 4: Simplify right side
   11,131.05x = 81,405,859.45
5. Step 5: Solve for x
   x = 81,405,859.45/11,131.05
6. Step 6: Final answer
   x = 7,313.40