Finding the Fourth Proportional to 8,951.98, 12,353.22 and 5,175.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,951.98 : 12,353.22 = 5,175.31 : x
2. Step 2: Convert to fraction form
   8,951.98/12,353.22 = 5,175.31/x
3. Step 3: Cross multiply
   8,951.98x = 12,353.22 × 5,175.31
4. Step 4: Simplify right side
   8,951.98x = 63,931,743.00
5. Step 5: Solve for x
   x = 63,931,743.00/8,951.98
6. Step 6: Final answer
   x = 7,141.63