Finding the Fourth Proportional to 143,016.57, 197,362.98 and 79,354.32

Step by Step Solution

1. Step 1: Write the proportion equation
   143,016.57 : 197,362.98 = 79,354.32 : x
2. Step 2: Convert to fraction form
   143,016.57/197,362.98 = 79,354.32/x
3. Step 3: Cross multiply
   143,016.57x = 197,362.98 × 79,354.32
4. Step 4: Simplify right side
   143,016.57x = 15,661,604,330.96
5. Step 5: Solve for x
   x = 15,661,604,330.96/143,016.57
6. Step 6: Final answer
   x = 109,509.02