Finding the Fourth Proportional to 8,074.88, 12,117.88 and 3,144.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,074.88 : 12,117.88 = 3,144.56 : x
2. Step 2: Convert to fraction form
   8,074.88/12,117.88 = 3,144.56/x
3. Step 3: Cross multiply
   8,074.88x = 12,117.88 × 3,144.56
4. Step 4: Simplify right side
   8,074.88x = 38,105,400.73
5. Step 5: Solve for x
   x = 38,105,400.73/8,074.88
6. Step 6: Final answer
   x = 4,719.01