Finding the Fourth Proportional to 50,609.75, 75,914.89 and 13,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,609.75 : 75,914.89 = 13,167.50 : x
2. Step 2: Convert to fraction form
   50,609.75/75,914.89 = 13,167.50/x
3. Step 3: Cross multiply
   50,609.75x = 75,914.89 × 13,167.50
4. Step 4: Simplify right side
   50,609.75x = 999,608,901.58
5. Step 5: Solve for x
   x = 999,608,901.58/50,609.75
6. Step 6: Final answer
   x = 19,751.31