Finding the Fourth Proportional to 72,401.12, 108,534.86 and 50,224.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,401.12 : 108,534.86 = 50,224.96 : x
2. Step 2: Convert to fraction form
   72,401.12/108,534.86 = 50,224.96/x
3. Step 3: Cross multiply
   72,401.12x = 108,534.86 × 50,224.96
4. Step 4: Simplify right side
   72,401.12x = 5,451,159,002.11
5. Step 5: Solve for x
   x = 5,451,159,002.11/72,401.12
6. Step 6: Final answer
   x = 75,291.09