Finding the Fourth Proportional to 13,296.06, 19,947.98 and 3,936.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,296.06 : 19,947.98 = 3,936.32 : x
2. Step 2: Convert to fraction form
   13,296.06/19,947.98 = 3,936.32/x
3. Step 3: Cross multiply
   13,296.06x = 19,947.98 × 3,936.32
4. Step 4: Simplify right side
   13,296.06x = 78,521,632.63
5. Step 5: Solve for x
   x = 78,521,632.63/13,296.06
6. Step 6: Final answer
   x = 5,905.63