Finding the Fourth Proportional to 12,329.83, 17,037.71 and 8,786.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,329.83 : 17,037.71 = 8,786.89 : x
2. Step 2: Convert to fraction form
   12,329.83/17,037.71 = 8,786.89/x
3. Step 3: Cross multiply
   12,329.83x = 17,037.71 × 8,786.89
4. Step 4: Simplify right side
   12,329.83x = 149,708,483.62
5. Step 5: Solve for x
   x = 149,708,483.62/12,329.83
6. Step 6: Final answer
   x = 12,141.97