Finding the Fourth Proportional to 9,173.54, 12,659.28 and 5,194.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173.54 : 12,659.28 = 5,194.82 : x
2. Step 2: Convert to fraction form
   9,173.54/12,659.28 = 5,194.82/x
3. Step 3: Cross multiply
   9,173.54x = 12,659.28 × 5,194.82
4. Step 4: Simplify right side
   9,173.54x = 65,762,680.93
5. Step 5: Solve for x
   x = 65,762,680.93/9,173.54
6. Step 6: Final answer
   x = 7,168.74