Finding the Fourth Proportional to 143,439, 197,945.82 and 83,823

Step by Step Solution

1. Step 1: Write the proportion equation
   143,439 : 197,945.82 = 83,823 : x
2. Step 2: Convert to fraction form
   143,439/197,945.82 = 83,823/x
3. Step 3: Cross multiply
   143,439x = 197,945.82 × 83,823
4. Step 4: Simplify right side
   143,439x = 16,592,412,469.86
5. Step 5: Solve for x
   x = 16,592,412,469.86/143,439
6. Step 6: Final answer
   x = 115,675.74