Finding the Fourth Proportional to 119,245.42, 178,729.89 and 112,333.42

Step by Step Solution

1. Step 1: Write the proportion equation
   119,245.42 : 178,729.89 = 112,333.42 : x
2. Step 2: Convert to fraction form
   119,245.42/178,729.89 = 112,333.42/x
3. Step 3: Cross multiply
   119,245.42x = 178,729.89 × 112,333.42
4. Step 4: Simplify right side
   119,245.42x = 20,077,339,799.92
5. Step 5: Solve for x
   x = 20,077,339,799.92/119,245.42
6. Step 6: Final answer
   x = 168,369.90