Finding the Fourth Proportional to 142,974.72, 214,343.08 and 111,524.18

Step by Step Solution

1. Step 1: Write the proportion equation
   142,974.72 : 214,343.08 = 111,524.18 : x
2. Step 2: Convert to fraction form
   142,974.72/214,343.08 = 111,524.18/x
3. Step 3: Cross multiply
   142,974.72x = 214,343.08 × 111,524.18
4. Step 4: Simplify right side
   142,974.72x = 23,904,434,885.15
5. Step 5: Solve for x
   x = 23,904,434,885.15/142,974.72
6. Step 6: Final answer
   x = 167,193.44