Finding the Fourth Proportional to 4,300.20, 6,438.72 and 2,243.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,300.20 : 6,438.72 = 2,243.88 : x
2. Step 2: Convert to fraction form
   4,300.20/6,438.72 = 2,243.88/x
3. Step 3: Cross multiply
   4,300.20x = 6,438.72 × 2,243.88
4. Step 4: Simplify right side
   4,300.20x = 14,447,715.03
5. Step 5: Solve for x
   x = 14,447,715.03/4,300.20
6. Step 6: Final answer
   x = 3,359.78