Finding the Fourth Proportional to 5,443.92, 7,513.68 and 3,207.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.92 : 7,513.68 = 3,207.72 : x
2. Step 2: Convert to fraction form
   5,443.92/7,513.68 = 3,207.72/x
3. Step 3: Cross multiply
   5,443.92x = 7,513.68 × 3,207.72
4. Step 4: Simplify right side
   5,443.92x = 24,101,781.61
5. Step 5: Solve for x
   x = 24,101,781.61/5,443.92
6. Step 6: Final answer
   x = 4,427.28