Finding the Fourth Proportional to 12,581.60, 17,332.61 and 8,797.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,581.60 : 17,332.61 = 8,797.69 : x
2. Step 2: Convert to fraction form
   12,581.60/17,332.61 = 8,797.69/x
3. Step 3: Cross multiply
   12,581.60x = 17,332.61 × 8,797.69
4. Step 4: Simplify right side
   12,581.60x = 152,486,929.67
5. Step 5: Solve for x
   x = 152,486,929.67/12,581.60
6. Step 6: Final answer
   x = 12,119.84