Finding the Fourth Proportional to 13,300.09, 19,944.01 and 3,936.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.09 : 19,944.01 = 3,936.76 : x
2. Step 2: Convert to fraction form
   13,300.09/19,944.01 = 3,936.76/x
3. Step 3: Cross multiply
   13,300.09x = 19,944.01 × 3,936.76
4. Step 4: Simplify right side
   13,300.09x = 78,514,780.81
5. Step 5: Solve for x
   x = 78,514,780.81/13,300.09
6. Step 6: Final answer
   x = 5,903.33