Finding the Fourth Proportional to 13,255.73, 18,293.25 and 7,287.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,255.73 : 18,293.25 = 7,287.54 : x
2. Step 2: Convert to fraction form
   13,255.73/18,293.25 = 7,287.54/x
3. Step 3: Cross multiply
   13,255.73x = 18,293.25 × 7,287.54
4. Step 4: Simplify right side
   13,255.73x = 133,312,754.67
5. Step 5: Solve for x
   x = 133,312,754.67/13,255.73
6. Step 6: Final answer
   x = 10,056.99