Finding the Fourth Proportional to 142,838.56, 197,096.52 and 79,176.34

Step by Step Solution

1. Step 1: Write the proportion equation
   142,838.56 : 197,096.52 = 79,176.34 : x
2. Step 2: Convert to fraction form
   142,838.56/197,096.52 = 79,176.34/x
3. Step 3: Cross multiply
   142,838.56x = 197,096.52 × 79,176.34
4. Step 4: Simplify right side
   142,838.56x = 15,605,381,080.34
5. Step 5: Solve for x
   x = 15,605,381,080.34/142,838.56
6. Step 6: Final answer
   x = 109,251.88