Finding the Fourth Proportional to 12,932.82, 19,389.78 and 4,162.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,932.82 : 19,389.78 = 4,162.68 : x
2. Step 2: Convert to fraction form
   12,932.82/19,389.78 = 4,162.68/x
3. Step 3: Cross multiply
   12,932.82x = 19,389.78 × 4,162.68
4. Step 4: Simplify right side
   12,932.82x = 80,713,449.41
5. Step 5: Solve for x
   x = 80,713,449.41/12,932.82
6. Step 6: Final answer
   x = 6,240.98