Finding the Fourth Proportional to 138,824.46, 208,200.24 and 50,061.42

Step by Step Solution

1. Step 1: Write the proportion equation
   138,824.46 : 208,200.24 = 50,061.42 : x
2. Step 2: Convert to fraction form
   138,824.46/208,200.24 = 50,061.42/x
3. Step 3: Cross multiply
   138,824.46x = 208,200.24 × 50,061.42
4. Step 4: Simplify right side
   138,824.46x = 10,422,799,658.74
5. Step 5: Solve for x
   x = 10,422,799,658.74/138,824.46
6. Step 6: Final answer
   x = 75,078.99