Finding the Fourth Proportional to 7,436.48, 10,259.76 and 4,453.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,436.48 : 10,259.76 = 4,453.28 : x
2. Step 2: Convert to fraction form
   7,436.48/10,259.76 = 4,453.28/x
3. Step 3: Cross multiply
   7,436.48x = 10,259.76 × 4,453.28
4. Step 4: Simplify right side
   7,436.48x = 45,689,587.89
5. Step 5: Solve for x
   x = 45,689,587.89/7,436.48
6. Step 6: Final answer
   x = 6,143.98