Finding the Fourth Proportional to 12,726.06, 19,086.92 and 3,366.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,726.06 : 19,086.92 = 3,366.18 : x
2. Step 2: Convert to fraction form
   12,726.06/19,086.92 = 3,366.18/x
3. Step 3: Cross multiply
   12,726.06x = 19,086.92 × 3,366.18
4. Step 4: Simplify right side
   12,726.06x = 64,250,008.37
5. Step 5: Solve for x
   x = 64,250,008.37/12,726.06
6. Step 6: Final answer
   x = 5,048.70