Finding the Fourth Proportional to 10,780.05, 16,176.33 and 4,539.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780.05 : 16,176.33 = 4,539.67 : x
2. Step 2: Convert to fraction form
   10,780.05/16,176.33 = 4,539.67/x
3. Step 3: Cross multiply
   10,780.05x = 16,176.33 × 4,539.67
4. Step 4: Simplify right side
   10,780.05x = 73,435,200.01
5. Step 5: Solve for x
   x = 73,435,200.01/10,780.05
6. Step 6: Final answer
   x = 6,812.14