Finding the Fourth Proportional to 9,948.54, 14,831.30 and 9,481.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,948.54 : 14,831.30 = 9,481.98 : x
2. Step 2: Convert to fraction form
   9,948.54/14,831.30 = 9,481.98/x
3. Step 3: Cross multiply
   9,948.54x = 14,831.30 × 9,481.98
4. Step 4: Simplify right side
   9,948.54x = 140,630,042.56
5. Step 5: Solve for x
   x = 140,630,042.56/9,948.54
6. Step 6: Final answer
   x = 14,135.75