Finding the Fourth Proportional to 143,426.72, 197,913.72 and 79,754.24

Step by Step Solution

1. Step 1: Write the proportion equation
   143,426.72 : 197,913.72 = 79,754.24 : x
2. Step 2: Convert to fraction form
   143,426.72/197,913.72 = 79,754.24/x
3. Step 3: Cross multiply
   143,426.72x = 197,913.72 × 79,754.24
4. Step 4: Simplify right side
   143,426.72x = 15,784,458,324.17
5. Step 5: Solve for x
   x = 15,784,458,324.17/143,426.72
6. Step 6: Final answer
   x = 110,052.42