Finding the Fourth Proportional to 9,712.91, 14,498.46 and 8,335.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,712.91 : 14,498.46 = 8,335.10 : x
2. Step 2: Convert to fraction form
   9,712.91/14,498.46 = 8,335.10/x
3. Step 3: Cross multiply
   9,712.91x = 14,498.46 × 8,335.10
4. Step 4: Simplify right side
   9,712.91x = 120,846,150.19
5. Step 5: Solve for x
   x = 120,846,150.19/9,712.91
6. Step 6: Final answer
   x = 12,441.80