Finding the Fourth Proportional to 72,466.50, 108,743.52 and 30,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,466.50 : 108,743.52 = 30,913.50 : x
2. Step 2: Convert to fraction form
   72,466.50/108,743.52 = 30,913.50/x
3. Step 3: Cross multiply
   72,466.50x = 108,743.52 × 30,913.50
4. Step 4: Simplify right side
   72,466.50x = 3,361,642,805.52
5. Step 5: Solve for x
   x = 3,361,642,805.52/72,466.50
6. Step 6: Final answer
   x = 46,388.92