Finding the Fourth Proportional to 9,976.36, 14,954.76 and 8,498.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.36 : 14,954.76 = 8,498.92 : x
2. Step 2: Convert to fraction form
   9,976.36/14,954.76 = 8,498.92/x
3. Step 3: Cross multiply
   9,976.36x = 14,954.76 × 8,498.92
4. Step 4: Simplify right side
   9,976.36x = 127,099,308.86
5. Step 5: Solve for x
   x = 127,099,308.86/9,976.36
6. Step 6: Final answer
   x = 12,740.05