Finding the Fourth Proportional to 9,173.43, 12,610.59 and 7,892.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173.43 : 12,610.59 = 7,892.60 : x
2. Step 2: Convert to fraction form
   9,173.43/12,610.59 = 7,892.60/x
3. Step 3: Cross multiply
   9,173.43x = 12,610.59 × 7,892.60
4. Step 4: Simplify right side
   9,173.43x = 99,530,342.63
5. Step 5: Solve for x
   x = 99,530,342.63/9,173.43
6. Step 6: Final answer
   x = 10,849.85