Finding the Fourth Proportional to 7,485.33, 10,329.83 and 4,128.26

Step by Step Solution

1. Step 1: Write the proportion equation
   7,485.33 : 10,329.83 = 4,128.26 : x
2. Step 2: Convert to fraction form
   7,485.33/10,329.83 = 4,128.26/x
3. Step 3: Cross multiply
   7,485.33x = 10,329.83 × 4,128.26
4. Step 4: Simplify right side
   7,485.33x = 42,644,151.71
5. Step 5: Solve for x
   x = 42,644,151.71/7,485.33
6. Step 6: Final answer
   x = 5,697.03