Finding the Fourth Proportional to 9,081.72, 12,533.43 and 5,545.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.72 : 12,533.43 = 5,545.60 : x
2. Step 2: Convert to fraction form
   9,081.72/12,533.43 = 5,545.60/x
3. Step 3: Cross multiply
   9,081.72x = 12,533.43 × 5,545.60
4. Step 4: Simplify right side
   9,081.72x = 69,505,378.87
5. Step 5: Solve for x
   x = 69,505,378.87/9,081.72
6. Step 6: Final answer
   x = 7,653.33