Finding the Fourth Proportional to 10,458.86, 14,441.10 and 9,179.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,458.86 : 14,441.10 = 9,179.48 : x
2. Step 2: Convert to fraction form
   10,458.86/14,441.10 = 9,179.48/x
3. Step 3: Cross multiply
   10,458.86x = 14,441.10 × 9,179.48
4. Step 4: Simplify right side
   10,458.86x = 132,561,788.63
5. Step 5: Solve for x
   x = 132,561,788.63/10,458.86
6. Step 6: Final answer
   x = 12,674.59