Finding the Fourth Proportional to 67,654.10, 93,340.05 and 39,353.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,654.10 : 93,340.05 = 39,353.78 : x
2. Step 2: Convert to fraction form
   67,654.10/93,340.05 = 39,353.78/x
3. Step 3: Cross multiply
   67,654.10x = 93,340.05 × 39,353.78
4. Step 4: Simplify right side
   67,654.10x = 3,673,283,792.89
5. Step 5: Solve for x
   x = 3,673,283,792.89/67,654.10
6. Step 6: Final answer
   x = 54,295.07