Finding the Fourth Proportional to 142,732.89, 196,957.04 and 79,058.79

Step by Step Solution

1. Step 1: Write the proportion equation
   142,732.89 : 196,957.04 = 79,058.79 : x
2. Step 2: Convert to fraction form
   142,732.89/196,957.04 = 79,058.79/x
3. Step 3: Cross multiply
   142,732.89x = 196,957.04 × 79,058.79
4. Step 4: Simplify right side
   142,732.89x = 15,571,184,869.09
5. Step 5: Solve for x
   x = 15,571,184,869.09/142,732.89
6. Step 6: Final answer
   x = 109,093.18