Finding the Fourth Proportional to 10,780.67, 16,170.86 and 3,760.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780.67 : 16,170.86 = 3,760.67 : x
2. Step 2: Convert to fraction form
   10,780.67/16,170.86 = 3,760.67/x
3. Step 3: Cross multiply
   10,780.67x = 16,170.86 × 3,760.67
4. Step 4: Simplify right side
   10,780.67x = 60,813,196.62
5. Step 5: Solve for x
   x = 60,813,196.62/10,780.67
6. Step 6: Final answer
   x = 5,640.95