Finding the Fourth Proportional to 10,715.53, 16,075.59 and 5,451.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,715.53 : 16,075.59 = 5,451.27 : x
2. Step 2: Convert to fraction form
   10,715.53/16,075.59 = 5,451.27/x
3. Step 3: Cross multiply
   10,715.53x = 16,075.59 × 5,451.27
4. Step 4: Simplify right side
   10,715.53x = 87,632,354.24
5. Step 5: Solve for x
   x = 87,632,354.24/10,715.53
6. Step 6: Final answer
   x = 8,178.07