Finding the Fourth Proportional to 295,628.72, 407,967 and 161,492.72

Step by Step Solution

1. Step 1: Write the proportion equation
   295,628.72 : 407,967 = 161,492.72 : x
2. Step 2: Convert to fraction form
   295,628.72/407,967 = 161,492.72/x
3. Step 3: Cross multiply
   295,628.72x = 407,967 × 161,492.72
4. Step 4: Simplify right side
   295,628.72x = 65,883,700,500.24
5. Step 5: Solve for x
   x = 65,883,700,500.24/295,628.72
6. Step 6: Final answer
   x = 222,859.61