Finding the Fourth Proportional to 244,721.58, 367,081.50 and 138,057.15

Step by Step Solution

1. Step 1: Write the proportion equation
   244,721.58 : 367,081.50 = 138,057.15 : x
2. Step 2: Convert to fraction form
   244,721.58/367,081.50 = 138,057.15/x
3. Step 3: Cross multiply
   244,721.58x = 367,081.50 × 138,057.15
4. Step 4: Simplify right side
   244,721.58x = 50,678,223,856.10
5. Step 5: Solve for x
   x = 50,678,223,856.10/244,721.58
6. Step 6: Final answer
   x = 207,085.23