Finding the Fourth Proportional to 83,196.74, 124,794.96 and 20,016.81

Step by Step Solution

1. Step 1: Write the proportion equation
   83,196.74 : 124,794.96 = 20,016.81 : x
2. Step 2: Convert to fraction form
   83,196.74/124,794.96 = 20,016.81/x
3. Step 3: Cross multiply
   83,196.74x = 124,794.96 × 20,016.81
4. Step 4: Simplify right side
   83,196.74x = 2,497,997,003.28
5. Step 5: Solve for x
   x = 2,497,997,003.28/83,196.74
6. Step 6: Final answer
   x = 30,025.18