Finding the Fourth Proportional to 67,554.89, 93,231.50 and 39,258.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,554.89 : 93,231.50 = 39,258.75 : x
2. Step 2: Convert to fraction form
   67,554.89/93,231.50 = 39,258.75/x
3. Step 3: Cross multiply
   67,554.89x = 93,231.50 × 39,258.75
4. Step 4: Simplify right side
   67,554.89x = 3,660,151,954.33
5. Step 5: Solve for x
   x = 3,660,151,954.33/67,554.89
6. Step 6: Final answer
   x = 54,180.42