Finding the Fourth Proportional to 83,429.34, 125,142.69 and 20,249.99

Step by Step Solution

1. Step 1: Write the proportion equation
   83,429.34 : 125,142.69 = 20,249.99 : x
2. Step 2: Convert to fraction form
   83,429.34/125,142.69 = 20,249.99/x
3. Step 3: Cross multiply
   83,429.34x = 125,142.69 × 20,249.99
4. Step 4: Simplify right side
   83,429.34x = 2,534,137,857.59
5. Step 5: Solve for x
   x = 2,534,137,857.59/83,429.34
6. Step 6: Final answer
   x = 30,374.66