Finding the Fourth Proportional to 8,730.93, 12,054.70 and 8,173.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,730.93 : 12,054.70 = 8,173.25 : x
2. Step 2: Convert to fraction form
   8,730.93/12,054.70 = 8,173.25/x
3. Step 3: Cross multiply
   8,730.93x = 12,054.70 × 8,173.25
4. Step 4: Simplify right side
   8,730.93x = 98,526,076.78
5. Step 5: Solve for x
   x = 98,526,076.78/8,730.93
6. Step 6: Final answer
   x = 11,284.72