Finding the Fourth Proportional to 41,915.72, 62,914.89 and 30,791.18

Step by Step Solution

1. Step 1: Write the proportion equation
   41,915.72 : 62,914.89 = 30,791.18 : x
2. Step 2: Convert to fraction form
   41,915.72/62,914.89 = 30,791.18/x
3. Step 3: Cross multiply
   41,915.72x = 62,914.89 × 30,791.18
4. Step 4: Simplify right side
   41,915.72x = 1,937,223,388.10
5. Step 5: Solve for x
   x = 1,937,223,388.10/41,915.72
6. Step 6: Final answer
   x = 46,217.11