Finding the Fourth Proportional to 54,019.55, 74,538.06 and 30,146.16

Step by Step Solution

1. Step 1: Write the proportion equation
   54,019.55 : 74,538.06 = 30,146.16 : x
2. Step 2: Convert to fraction form
   54,019.55/74,538.06 = 30,146.16/x
3. Step 3: Cross multiply
   54,019.55x = 74,538.06 × 30,146.16
4. Step 4: Simplify right side
   54,019.55x = 2,247,036,282.85
5. Step 5: Solve for x
   x = 2,247,036,282.85/54,019.55
6. Step 6: Final answer
   x = 41,596.72