Finding the Fourth Proportional to 13,305.33, 19,960.92 and 3,946.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,305.33 : 19,960.92 = 3,946.10 : x
2. Step 2: Convert to fraction form
   13,305.33/19,960.92 = 3,946.10/x
3. Step 3: Cross multiply
   13,305.33x = 19,960.92 × 3,946.10
4. Step 4: Simplify right side
   13,305.33x = 78,767,686.61
5. Step 5: Solve for x
   x = 78,767,686.61/13,305.33
6. Step 6: Final answer
   x = 5,920.01