Finding the Fourth Proportional to 297,179.72, 443,429.20 and 279,098.72

Step by Step Solution

1. Step 1: Write the proportion equation
   297,179.72 : 443,429.20 = 279,098.72 : x
2. Step 2: Convert to fraction form
   297,179.72/443,429.20 = 279,098.72/x
3. Step 3: Cross multiply
   297,179.72x = 443,429.20 × 279,098.72
4. Step 4: Simplify right side
   297,179.72x = 123,760,522,130.62
5. Step 5: Solve for x
   x = 123,760,522,130.62/297,179.72
6. Step 6: Final answer
   x = 416,450.09