Finding the Fourth Proportional to 9,533.52, 13,155.72 and 5,555.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,533.52 : 13,155.72 = 5,555.28 : x
2. Step 2: Convert to fraction form
   9,533.52/13,155.72 = 5,555.28/x
3. Step 3: Cross multiply
   9,533.52x = 13,155.72 × 5,555.28
4. Step 4: Simplify right side
   9,533.52x = 73,083,708.20
5. Step 5: Solve for x
   x = 73,083,708.20/9,533.52
6. Step 6: Final answer
   x = 7,665.97