Finding the Fourth Proportional to 143,054.48, 197,412.72 and 79,394.96

Step by Step Solution

1. Step 1: Write the proportion equation
   143,054.48 : 197,412.72 = 79,394.96 : x
2. Step 2: Convert to fraction form
   143,054.48/197,412.72 = 79,394.96/x
3. Step 3: Cross multiply
   143,054.48x = 197,412.72 × 79,394.96
4. Step 4: Simplify right side
   143,054.48x = 15,673,575,007.89
5. Step 5: Solve for x
   x = 15,673,575,007.89/143,054.48
6. Step 6: Final answer
   x = 109,563.68