Finding the Fourth Proportional to 54,250.85, 74,865.71 and 30,377.72

Step by Step Solution

1. Step 1: Write the proportion equation
   54,250.85 : 74,865.71 = 30,377.72 : x
2. Step 2: Convert to fraction form
   54,250.85/74,865.71 = 30,377.72/x
3. Step 3: Cross multiply
   54,250.85x = 74,865.71 × 30,377.72
4. Step 4: Simplify right side
   54,250.85x = 2,274,249,049.76
5. Step 5: Solve for x
   x = 2,274,249,049.76/54,250.85
6. Step 6: Final answer
   x = 41,920.99