Finding the Fourth Proportional to 67,456.80, 93,091.68 and 39,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   67,456.80 : 93,091.68 = 39,152.16 : x
2. Step 2: Convert to fraction form
   67,456.80/93,091.68 = 39,152.16/x
3. Step 3: Cross multiply
   67,456.80x = 93,091.68 × 39,152.16
4. Step 4: Simplify right side
   67,456.80x = 3,644,740,350.03
5. Step 5: Solve for x
   x = 3,644,740,350.03/67,456.80
6. Step 6: Final answer
   x = 54,030.73