Finding the Fourth Proportional to 3,503.28, 4,834.24 and 2,176.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,503.28 : 4,834.24 = 2,176.72 : x
2. Step 2: Convert to fraction form
   3,503.28/4,834.24 = 2,176.72/x
3. Step 3: Cross multiply
   3,503.28x = 4,834.24 × 2,176.72
4. Step 4: Simplify right side
   3,503.28x = 10,522,786.89
5. Step 5: Solve for x
   x = 10,522,786.89/3,503.28
6. Step 6: Final answer
   x = 3,003.70