Finding the Fourth Proportional to 12,705.20, 19,058.52 and 3,941.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,705.20 : 19,058.52 = 3,941.36 : x
2. Step 2: Convert to fraction form
   12,705.20/19,058.52 = 3,941.36/x
3. Step 3: Cross multiply
   12,705.20x = 19,058.52 × 3,941.36
4. Step 4: Simplify right side
   12,705.20x = 75,116,488.39
5. Step 5: Solve for x
   x = 75,116,488.39/12,705.20
6. Step 6: Final answer
   x = 5,912.26