Finding the Fourth Proportional to 7,436.78, 10,262.72 and 4,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,436.78 : 10,262.72 = 4,079.50 : x
2. Step 2: Convert to fraction form
   7,436.78/10,262.72 = 4,079.50/x
3. Step 3: Cross multiply
   7,436.78x = 10,262.72 × 4,079.50
4. Step 4: Simplify right side
   7,436.78x = 41,866,766.24
5. Step 5: Solve for x
   x = 41,866,766.24/7,436.78
6. Step 6: Final answer
   x = 5,629.69