Finding the Fourth Proportional to 10,317.84, 15,453.28 and 8,082.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,317.84 : 15,453.28 = 8,082.72 : x
2. Step 2: Convert to fraction form
   10,317.84/15,453.28 = 8,082.72/x
3. Step 3: Cross multiply
   10,317.84x = 15,453.28 × 8,082.72
4. Step 4: Simplify right side
   10,317.84x = 124,904,535.32
5. Step 5: Solve for x
   x = 124,904,535.32/10,317.84
6. Step 6: Final answer
   x = 12,105.69