Finding the Fourth Proportional to 6,728.76, 9,285.76 and 4,075.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,728.76 : 9,285.76 = 4,075.52 : x
2. Step 2: Convert to fraction form
   6,728.76/9,285.76 = 4,075.52/x
3. Step 3: Cross multiply
   6,728.76x = 9,285.76 × 4,075.52
4. Step 4: Simplify right side
   6,728.76x = 37,844,300.60
5. Step 5: Solve for x
   x = 37,844,300.60/6,728.76
6. Step 6: Final answer
   x = 5,624.26