Finding the Fourth Proportional to 143,659.83, 198,250.54 and 83,265.49

Step by Step Solution

1. Step 1: Write the proportion equation
   143,659.83 : 198,250.54 = 83,265.49 : x
2. Step 2: Convert to fraction form
   143,659.83/198,250.54 = 83,265.49/x
3. Step 3: Cross multiply
   143,659.83x = 198,250.54 × 83,265.49
4. Step 4: Simplify right side
   143,659.83x = 16,507,428,355.86
5. Step 5: Solve for x
   x = 16,507,428,355.86/143,659.83
6. Step 6: Final answer
   x = 114,906.36