Finding the Fourth Proportional to 10,724.32, 16,082.43 and 5,175.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,724.32 : 16,082.43 = 5,175.82 : x
2. Step 2: Convert to fraction form
   10,724.32/16,082.43 = 5,175.82/x
3. Step 3: Cross multiply
   10,724.32x = 16,082.43 × 5,175.82
4. Step 4: Simplify right side
   10,724.32x = 83,239,762.84
5. Step 5: Solve for x
   x = 83,239,762.84/10,724.32
6. Step 6: Final answer
   x = 7,761.78