Finding the Fourth Proportional to 12,754.80, 19,133.59 and 4,327.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,754.80 : 19,133.59 = 4,327.39 : x
2. Step 2: Convert to fraction form
   12,754.80/19,133.59 = 4,327.39/x
3. Step 3: Cross multiply
   12,754.80x = 19,133.59 × 4,327.39
4. Step 4: Simplify right side
   12,754.80x = 82,798,458.69
5. Step 5: Solve for x
   x = 82,798,458.69/12,754.80
6. Step 6: Final answer
   x = 6,491.55