Finding the Fourth Proportional to 3,443.08, 4,748.34 and 2,263.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.08 : 4,748.34 = 2,263.72 : x
2. Step 2: Convert to fraction form
   3,443.08/4,748.34 = 2,263.72/x
3. Step 3: Cross multiply
   3,443.08x = 4,748.34 × 2,263.72
4. Step 4: Simplify right side
   3,443.08x = 10,748,912.22
5. Step 5: Solve for x
   x = 10,748,912.22/3,443.08
6. Step 6: Final answer
   x = 3,121.89