Finding the Fourth Proportional to 12,740.45, 19,100.61 and 8,050.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,740.45 : 19,100.61 = 8,050.56 : x
2. Step 2: Convert to fraction form
   12,740.45/19,100.61 = 8,050.56/x
3. Step 3: Cross multiply
   12,740.45x = 19,100.61 × 8,050.56
4. Step 4: Simplify right side
   12,740.45x = 153,770,626.97
5. Step 5: Solve for x
   x = 153,770,626.97/12,740.45
6. Step 6: Final answer
   x = 12,069.48