Finding the Fourth Proportional to 295,508.72, 407,821.88 and 164,706.72

Step by Step Solution

1. Step 1: Write the proportion equation
   295,508.72 : 407,821.88 = 164,706.72 : x
2. Step 2: Convert to fraction form
   295,508.72/407,821.88 = 164,706.72/x
3. Step 3: Cross multiply
   295,508.72x = 407,821.88 × 164,706.72
4. Step 4: Simplify right side
   295,508.72x = 67,171,004,199.03
5. Step 5: Solve for x
   x = 67,171,004,199.03/295,508.72
6. Step 6: Final answer
   x = 227,306.34