Finding the Fourth Proportional to 143,733.33, 198,349.50 and 83,309.59

Step by Step Solution

1. Step 1: Write the proportion equation
   143,733.33 : 198,349.50 = 83,309.59 : x
2. Step 2: Convert to fraction form
   143,733.33/198,349.50 = 83,309.59/x
3. Step 3: Cross multiply
   143,733.33x = 198,349.50 × 83,309.59
4. Step 4: Simplify right side
   143,733.33x = 16,524,415,209.29
5. Step 5: Solve for x
   x = 16,524,415,209.29/143,733.33
6. Step 6: Final answer
   x = 114,965.79