Finding the Fourth Proportional to 20,196.09, 30,291.71 and 5,404.68

Step by Step Solution

1. Step 1: Write the proportion equation
   20,196.09 : 30,291.71 = 5,404.68 : x
2. Step 2: Convert to fraction form
   20,196.09/30,291.71 = 5,404.68/x
3. Step 3: Cross multiply
   20,196.09x = 30,291.71 × 5,404.68
4. Step 4: Simplify right side
   20,196.09x = 163,716,972.18
5. Step 5: Solve for x
   x = 163,716,972.18/20,196.09
6. Step 6: Final answer
   x = 8,106.37