Finding the Fourth Proportional to 1,198,018.56, 1,797,022.72 and 311,552

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198,018.56 : 1,797,022.72 = 311,552 : x
2. Step 2: Convert to fraction form
   1,198,018.56/1,797,022.72 = 311,552/x
3. Step 3: Cross multiply
   1,198,018.56x = 1,797,022.72 × 311,552
4. Step 4: Simplify right side
   1,198,018.56x = 559,866,022,461.44
5. Step 5: Solve for x
   x = 559,866,022,461.44/1,198,018.56
6. Step 6: Final answer
   x = 467,326.67