Finding the Fourth Proportional to 71,462.58, 107,211.56 and 50,443.80

Step by Step Solution

1. Step 1: Write the proportion equation
   71,462.58 : 107,211.56 = 50,443.80 : x
2. Step 2: Convert to fraction form
   71,462.58/107,211.56 = 50,443.80/x
3. Step 3: Cross multiply
   71,462.58x = 107,211.56 × 50,443.80
4. Step 4: Simplify right side
   71,462.58x = 5,408,158,238.11
5. Step 5: Solve for x
   x = 5,408,158,238.11/71,462.58
6. Step 6: Final answer
   x = 75,678.18