Finding the Fourth Proportional to 244,945.72, 338,044.62 and 137,522.80

Step by Step Solution

1. Step 1: Write the proportion equation
   244,945.72 : 338,044.62 = 137,522.80 : x
2. Step 2: Convert to fraction form
   244,945.72/338,044.62 = 137,522.80/x
3. Step 3: Cross multiply
   244,945.72x = 338,044.62 × 137,522.80
4. Step 4: Simplify right side
   244,945.72x = 46,488,842,667.34
5. Step 5: Solve for x
   x = 46,488,842,667.34/244,945.72
6. Step 6: Final answer
   x = 189,792.43