Finding the Fourth Proportional to 12,579.60, 17,329.85 and 8,795.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,579.60 : 17,329.85 = 8,795.69 : x
2. Step 2: Convert to fraction form
   12,579.60/17,329.85 = 8,795.69/x
3. Step 3: Cross multiply
   12,579.60x = 17,329.85 × 8,795.69
4. Step 4: Simplify right side
   12,579.60x = 152,427,955.69
5. Step 5: Solve for x
   x = 152,427,955.69/12,579.60
6. Step 6: Final answer
   x = 12,117.07