Finding the Fourth Proportional to 16,951.30, 23,393.88 and 9,397.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,951.30 : 23,393.88 = 9,397.96 : x
2. Step 2: Convert to fraction form
   16,951.30/23,393.88 = 9,397.96/x
3. Step 3: Cross multiply
   16,951.30x = 23,393.88 × 9,397.96
4. Step 4: Simplify right side
   16,951.30x = 219,854,690.00
5. Step 5: Solve for x
   x = 219,854,690.00/16,951.30
6. Step 6: Final answer
   x = 12,969.79