Finding the Fourth Proportional to 50,113.86, 75,171.69 and 18,091.63

Step by Step Solution

1. Step 1: Write the proportion equation
   50,113.86 : 75,171.69 = 18,091.63 : x
2. Step 2: Convert to fraction form
   50,113.86/75,171.69 = 18,091.63/x
3. Step 3: Cross multiply
   50,113.86x = 75,171.69 × 18,091.63
4. Step 4: Simplify right side
   50,113.86x = 1,359,978,401.95
5. Step 5: Solve for x
   x = 1,359,978,401.95/50,113.86
6. Step 6: Final answer
   x = 27,137.77