Finding the Fourth Proportional to 9,173.89, 12,660.27 and 5,194.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173.89 : 12,660.27 = 5,194.92 : x
2. Step 2: Convert to fraction form
   9,173.89/12,660.27 = 5,194.92/x
3. Step 3: Cross multiply
   9,173.89x = 12,660.27 × 5,194.92
4. Step 4: Simplify right side
   9,173.89x = 65,769,111.44
5. Step 5: Solve for x
   x = 65,769,111.44/9,173.89
6. Step 6: Final answer
   x = 7,169.16