Finding the Fourth Proportional to 143,458.24, 197,956.56 and 83,017.12

Step by Step Solution

1. Step 1: Write the proportion equation
   143,458.24 : 197,956.56 = 83,017.12 : x
2. Step 2: Convert to fraction form
   143,458.24/197,956.56 = 83,017.12/x
3. Step 3: Cross multiply
   143,458.24x = 197,956.56 × 83,017.12
4. Step 4: Simplify right side
   143,458.24x = 16,433,783,496.31
5. Step 5: Solve for x
   x = 16,433,783,496.31/143,458.24
6. Step 6: Final answer
   x = 114,554.48