Finding the Fourth Proportional to 227,300.72, 338,267.31 and 219,732.33

Step by Step Solution

1. Step 1: Write the proportion equation
   227,300.72 : 338,267.31 = 219,732.33 : x
2. Step 2: Convert to fraction form
   227,300.72/338,267.31 = 219,732.33/x
3. Step 3: Cross multiply
   227,300.72x = 338,267.31 × 219,732.33
4. Step 4: Simplify right side
   227,300.72x = 74,328,264,189.13
5. Step 5: Solve for x
   x = 74,328,264,189.13/227,300.72
6. Step 6: Final answer
   x = 327,004.09