Finding the Fourth Proportional to 9,946.54, 14,828.32 and 9,479.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.54 : 14,828.32 = 9,479.98 : x
2. Step 2: Convert to fraction form
   9,946.54/14,828.32 = 9,479.98/x
3. Step 3: Cross multiply
   9,946.54x = 14,828.32 × 9,479.98
4. Step 4: Simplify right side
   9,946.54x = 140,572,177.03
5. Step 5: Solve for x
   x = 140,572,177.03/9,946.54
6. Step 6: Final answer
   x = 14,132.77