Finding the Fourth Proportional to 223,930.98, 309,010.71 and 123,328.98

Step by Step Solution

1. Step 1: Write the proportion equation
   223,930.98 : 309,010.71 = 123,328.98 : x
2. Step 2: Convert to fraction form
   223,930.98/309,010.71 = 123,328.98/x
3. Step 3: Cross multiply
   223,930.98x = 309,010.71 × 123,328.98
4. Step 4: Simplify right side
   223,930.98x = 38,109,975,673.38
5. Step 5: Solve for x
   x = 38,109,975,673.38/223,930.98
6. Step 6: Final answer
   x = 170,186.26