Finding the Fourth Proportional to 224,065, 309,216.18 and 123,469.48

Step by Step Solution

1. Step 1: Write the proportion equation
   224,065 : 309,216.18 = 123,469.48 : x
2. Step 2: Convert to fraction form
   224,065/309,216.18 = 123,469.48/x
3. Step 3: Cross multiply
   224,065x = 309,216.18 × 123,469.48
4. Step 4: Simplify right side
   224,065x = 38,178,760,952.19
5. Step 5: Solve for x
   x = 38,178,760,952.19/224,065
6. Step 6: Final answer
   x = 170,391.45