Finding the Fourth Proportional to 265,176.72, 365,689.48 and 178,158.42

Step by Step Solution

1. Step 1: Write the proportion equation
   265,176.72 : 365,689.48 = 178,158.42 : x
2. Step 2: Convert to fraction form
   265,176.72/365,689.48 = 178,158.42/x
3. Step 3: Cross multiply
   265,176.72x = 365,689.48 × 178,158.42
4. Step 4: Simplify right side
   265,176.72x = 65,150,659,967.42
5. Step 5: Solve for x
   x = 65,150,659,967.42/265,176.72
6. Step 6: Final answer
   x = 245,687.71