Finding the Fourth Proportional to 112,760.50, 155,609.49 and 68,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,760.50 : 155,609.49 = 68,048.50 : x
2. Step 2: Convert to fraction form
   112,760.50/155,609.49 = 68,048.50/x
3. Step 3: Cross multiply
   112,760.50x = 155,609.49 × 68,048.50
4. Step 4: Simplify right side
   112,760.50x = 10,588,992,380.27
5. Step 5: Solve for x
   x = 10,588,992,380.27/112,760.50
6. Step 6: Final answer
   x = 93,906.93