Finding the Fourth Proportional to 138,851.67, 208,227.27 and 50,081.34

Step by Step Solution

1. Step 1: Write the proportion equation
   138,851.67 : 208,227.27 = 50,081.34 : x
2. Step 2: Convert to fraction form
   138,851.67/208,227.27 = 50,081.34/x
3. Step 3: Cross multiply
   138,851.67x = 208,227.27 × 50,081.34
4. Step 4: Simplify right side
   138,851.67x = 10,428,300,706.14
5. Step 5: Solve for x
   x = 10,428,300,706.14/138,851.67
6. Step 6: Final answer
   x = 75,103.89