Finding the Fourth Proportional to 143,749, 198,375.54 and 83,323.96

Step by Step Solution

1. Step 1: Write the proportion equation
   143,749 : 198,375.54 = 83,323.96 : x
2. Step 2: Convert to fraction form
   143,749/198,375.54 = 83,323.96/x
3. Step 3: Cross multiply
   143,749x = 198,375.54 × 83,323.96
4. Step 4: Simplify right side
   143,749x = 16,529,435,559.94
5. Step 5: Solve for x
   x = 16,529,435,559.94/143,749
6. Step 6: Final answer
   x = 114,988.18