Finding the Fourth Proportional to 54,019.67, 74,538.23 and 30,146.29

Step by Step Solution

1. Step 1: Write the proportion equation
   54,019.67 : 74,538.23 = 30,146.29 : x
2. Step 2: Convert to fraction form
   54,019.67/74,538.23 = 30,146.29/x
3. Step 3: Cross multiply
   54,019.67x = 74,538.23 × 30,146.29
4. Step 4: Simplify right side
   54,019.67x = 2,247,050,986.69
5. Step 5: Solve for x
   x = 2,247,050,986.69/54,019.67
6. Step 6: Final answer
   x = 41,596.90