Finding the Fourth Proportional to 10,329, 14,291.55 and 9,005.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,329 : 14,291.55 = 9,005.46 : x
2. Step 2: Convert to fraction form
   10,329/14,291.55 = 9,005.46/x
3. Step 3: Cross multiply
   10,329x = 14,291.55 × 9,005.46
4. Step 4: Simplify right side
   10,329x = 128,701,981.86
5. Step 5: Solve for x
   x = 128,701,981.86/10,329
6. Step 6: Final answer
   x = 12,460.26