Finding the Fourth Proportional to 71,443.84, 107,189.76 and 50,118.77

Step by Step Solution

1. Step 1: Write the proportion equation
   71,443.84 : 107,189.76 = 50,118.77 : x
2. Step 2: Convert to fraction form
   71,443.84/107,189.76 = 50,118.77/x
3. Step 3: Cross multiply
   71,443.84x = 107,189.76 × 50,118.77
4. Step 4: Simplify right side
   71,443.84x = 5,372,218,927.80
5. Step 5: Solve for x
   x = 5,372,218,927.80/71,443.84
6. Step 6: Final answer
   x = 75,194.99