Finding the Fourth Proportional to 54,217.98, 74,819.61 and 30,017.54

Step by Step Solution

1. Step 1: Write the proportion equation
   54,217.98 : 74,819.61 = 30,017.54 : x
2. Step 2: Convert to fraction form
   54,217.98/74,819.61 = 30,017.54/x
3. Step 3: Cross multiply
   54,217.98x = 74,819.61 × 30,017.54
4. Step 4: Simplify right side
   54,217.98x = 2,245,900,823.01
5. Step 5: Solve for x
   x = 2,245,900,823.01/54,217.98
6. Step 6: Final answer
   x = 41,423.54