Finding the Fourth Proportional to 12,746.71, 19,120.05 and 3,982.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,746.71 : 19,120.05 = 3,982.37 : x
2. Step 2: Convert to fraction form
   12,746.71/19,120.05 = 3,982.37/x
3. Step 3: Cross multiply
   12,746.71x = 19,120.05 × 3,982.37
4. Step 4: Simplify right side
   12,746.71x = 76,143,113.52
5. Step 5: Solve for x
   x = 76,143,113.52/12,746.71
6. Step 6: Final answer
   x = 5,973.55