Finding the Fourth Proportional to 12,080.76, 18,119.04 and 3,196.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,080.76 : 18,119.04 = 3,196.18 : x
2. Step 2: Convert to fraction form
   12,080.76/18,119.04 = 3,196.18/x
3. Step 3: Cross multiply
   12,080.76x = 18,119.04 × 3,196.18
4. Step 4: Simplify right side
   12,080.76x = 57,911,713.27
5. Step 5: Solve for x
   x = 57,911,713.27/12,080.76
6. Step 6: Final answer
   x = 4,793.71