Finding the Fourth Proportional to 143,200.24, 197,616.38 and 79,543.96

Step by Step Solution

1. Step 1: Write the proportion equation
   143,200.24 : 197,616.38 = 79,543.96 : x
2. Step 2: Convert to fraction form
   143,200.24/197,616.38 = 79,543.96/x
3. Step 3: Cross multiply
   143,200.24x = 197,616.38 × 79,543.96
4. Step 4: Simplify right side
   143,200.24x = 15,719,189,426.06
5. Step 5: Solve for x
   x = 15,719,189,426.06/143,200.24
6. Step 6: Final answer
   x = 109,770.69