Finding the Fourth Proportional to 50,010.55, 74,992.73 and 18,412.67

Step by Step Solution

1. Step 1: Write the proportion equation
   50,010.55 : 74,992.73 = 18,412.67 : x
2. Step 2: Convert to fraction form
   50,010.55/74,992.73 = 18,412.67/x
3. Step 3: Cross multiply
   50,010.55x = 74,992.73 × 18,412.67
4. Step 4: Simplify right side
   50,010.55x = 1,380,816,389.89
5. Step 5: Solve for x
   x = 1,380,816,389.89/50,010.55
6. Step 6: Final answer
   x = 27,610.50