Finding the Fourth Proportional to 138,844.29, 208,223.31 and 50,086.24

Step by Step Solution

1. Step 1: Write the proportion equation
   138,844.29 : 208,223.31 = 50,086.24 : x
2. Step 2: Convert to fraction form
   138,844.29/208,223.31 = 50,086.24/x
3. Step 3: Cross multiply
   138,844.29x = 208,223.31 × 50,086.24
4. Step 4: Simplify right side
   138,844.29x = 10,429,122,678.25
5. Step 5: Solve for x
   x = 10,429,122,678.25/138,844.29
6. Step 6: Final answer
   x = 75,113.80