Finding the Fourth Proportional to 244,994.72, 338,112.24 and 137,572

Step by Step Solution

1. Step 1: Write the proportion equation
   244,994.72 : 338,112.24 = 137,572 : x
2. Step 2: Convert to fraction form
   244,994.72/338,112.24 = 137,572/x
3. Step 3: Cross multiply
   244,994.72x = 338,112.24 × 137,572
4. Step 4: Simplify right side
   244,994.72x = 46,514,777,081.28
5. Step 5: Solve for x
   x = 46,514,777,081.28/244,994.72
6. Step 6: Final answer
   x = 189,860.32